Chapter Text
Arc I: The little Iron Man
The Stark Expo was everything Peter Parker dreamed it would be—and more.
Towering glass buildings stretched toward the sky like the spines of metal dinosaurs. Holograms danced in the air. Robots whirred and zipped across polished stages, showing off their parts like peacocks in chrome. Somewhere nearby, a kid was riding a hoverboard prototype and screaming in joy. The whole place smelled like engine oil, popcorn, and possibilities.
Peter couldn’t stop grinning.
He clutched the bright red “STARK EXPO 2011” visitor badge on his hoodie, bouncing on the balls of his feet as he tugged at Uncle Ben’s hand. “Do you think Iron Man’s here already? Do you think he’s watching the robot dogs? I bet he’s invisible. Or hovering overhead. Like a bat. But cooler.”
May gave him a gentle shove between the shoulders. “You’ll burn out your excitement before we even hit the food court.”
“No such thing,” Peter said seriously. “I’ve been training.”
Ben raised an eyebrow. “Training for what, bud?”
“In case I meet him. I practiced what to say. But I might improvise. Depends on if he’s wearing the Mark V or the VI.”
May blinked. “Is that... shoe size?”
Ben chuckled. “Let the boy dream.”
Peter was mid-ramble about the trajectory accuracy of repulsor tech when the first explosion rattled the plaza.
Everyone froze.
A second blast echoed, followed by screams. Tourists ran. Drones—ugly, dented, and far too armed—descended like flies over the buildings. A billboard exploded. The robotic poodle skittered sideways and detonated in a puff of smoke and sparks.
“Ben!” May shouted, pulling Peter close.
Ben wrapped an arm around both of them, steering toward the nearest security tent. “Come on. This way—”
Peter twisted in his grip. Somewhere between the smoke and the screaming, he saw a drone targeting a group of kids trapped under a fallen StarkTech display. His stomach turned.
He broke free and ran.
“Peter!” May screamed behind him, her voice quickly lost in the chaos.
Peter ducked and weaved through panicked legs and flying debris. He didn’t feel brave. He felt stupid. But Iron Man wasn’t here yet, and someone had to help. His feet slid to a stop as the drone whirled midair and turned its gun-tipped arm toward him.
Peter raised the only thing he had—a dented trash can lid—and held it in front of him like a shield. His legs shook. His arms burned.
“Come on,” he whispered. “I’m not scared of you.”
That was a lie.
The drone’s eye flickered red.
A blast screamed through the air—
—and was silenced by a much louder one.
Peter blinked as fire and light exploded in front of him, the drone bursting into pieces.
Standing between him and the wreckage was Iron Man.
The real one.
Red and gold, gleaming, shoulders like a tank, palms still glowing. The helmet hissed as it retracted, revealing messy hair and a sweaty, familiar smirk.
“Hey,” Tony Stark said, crouching slightly to Peter’s eye level. “You okay, little man?”
Peter couldn’t answer at first. He stared. Then nodded. “I was gonna help.”
Tony tilted his head. “Looked like you were about to become grilled cheese. But you helped. You distracted it long enough for me to land the shot. Good instincts.”
Peter's chest swelled. “Really?”
“Really.” Tony’s voice softened. “But now I need you to do something even more heroic, okay?”
Peter nodded frantically.
“See that hotdog stand?” Tony pointed toward a partially collapsed corner of the plaza. “Hide there. Stay low. Don’t move until I come back. Can you do that?”
“I can!”
“Promise me. Stay hidden.”
“I promise,” Peter said, eyes wide.
Tony smiled. “Good kid.”
The helmet snapped back into place. And just like that, Iron Man shot into the sky.
Peter ran to the hotdog stand and curled up behind it, pulling his knees to his chest. Smoke drifted by. Drones exploded. The sky changed color. Peter clutched the melted corner of a small piece of shrapnel in his pocket—something the drone dropped. It wasn’t much, but it was metal and it was Stark, and right now, it was hope.
So he waited.
And waited.
And waited.
Tony POV:
The rooftop was quiet now. For once.
The explosions were done. The sky was empty. The lights of the Stark Expo flickered half-dead over the wreckage below. Somewhere far off, Rhodey was making jokes into his helmet about “how much therapy we’ll all need” and “how that final shot better end up on a T-shirt.”
Tony wasn’t listening.
He was standing there with Pepper—heart racing, lips tingling from that kiss—half-giddy from adrenaline, half-exhausted from dodging death, and somehow still trying to act like it was all no big deal.
“We should get dinner,” he muttered.
Pepper stared at him. “You just survived a coordinated drone assault by a hammer-happy rival with a god complex, and your takeaway is dinner?”
“Well, and therapy.”
She smiled a little. “You’re insane.”
“Charming,” he corrected.
They stood there for a moment. Her hand found his. He exhaled. Everything slowed down. The tension in his shoulders finally dropped.
Until it didn’t.
His eyes widened just slightly. A twitch. A spark. And then:
“...Oh God.”
Pepper blinked. “What?”
Tony stepped back from her, running a hand through his hair. “Oh—oh no.”
“Tony?”
“I left the kid.”
Pepper stared at him. “What kid?”
“The Expo kid! The one with the shield—the trash can lid, whatever. The tiny one. Big eyes. Braver than he should be. I told him to hide behind the hotdog stand and—oh my God I forgot about him!”
Pepper’s jaw dropped.
“You mean you left a child in the middle of an active warzone and then forgot about him?!”
“I was busy!” Tony said defensively. “There were explosions! I almost died like... three times! Plus we kissed—don’t distract me—where the hell was that food court?!”
“You mean you don’t even remember where you told him to hide?!”
“I didn’t think I’d get distracted by dying, Pep!”
He turned on his heel, helmet sliding into place, already pinging JARVIS for heat signatures and kid-sized life signs. “JARVIS, find the hotdog stand. Scan for small terrified children. Possibly clutching a melted piece of my armor.”
“Understood, sir,” came the ever-patient reply.
Pepper stood frozen on the rooftop as Iron Man shot back into the sky with a groan.
Peter POV:
It was getting harder to breathe.
Not because of the smoke—though there was plenty of that—or because of the faint ringing in his ears, or the broken wood beam pressing awkwardly against his back.
No, Peter was struggling because he was scared.
He was doing what Iron Man told him to do. Stay hidden. Don’t move. Be brave.
And he was trying. Really, he was. But he’d been trying for… well, it felt like a very long time.
He didn’t have a watch. But the sun had dipped lower in the sky, the shadows stretched longer. The hotdog cart had collapsed halfway, probably from one of the shockwaves, and the metal bench he’d curled behind was now bent and smoking.
People had stopped running a while ago. No more screams. No more booms. Just far-off sirens and the occasional distant, sharp crack that made Peter flinch.
He hugged his knees tighter.
His fingers clutched the tiny scrap of tech he’d grabbed earlier. It wasn’t much. Just a melted hunk of something that might have once been part of a gauntlet. But it was his. His proof that he’d been part of it. That Iron Man had looked at him, spoken to him, trusted him.
He whispered the words to himself again. Like a prayer.
“Stay here. I’ll come back. Promise.”
Tony Stark had said that.
And Peter believed him. He really did.
But the shadows were getting longer. And the air was colder now. And sometimes promises got forgotten. He knew that. He really knew that.
His stomach rumbled. His eyes itched.
Maybe Iron Man had gotten hurt. Maybe he forgot. Maybe—
A sharp creak above made him flinch. A beam shifted. Something cracked. He ducked lower, barely breathing.
“Just a little longer,” he whispered. “He’s probably just... busy. Saving the world.”
The world was big. He was small.
He curled tighter into himself and closed his eyes.
Tony Stark is not the kind of man who forgets a promise. Except… he just did.
The moment Tony was airborne again, the adrenaline from the fight turned sour in his veins. The rooftops below blurred into black smudges, craters where kiosks used to be, twisted beams and scorched pavement.
“JARVIS, find him.”
“Parameters?”
“Kid. Nine or ten. Hoodie, small. Probably the only person not running away like a rational human being.”
There was a pause.
“Sir, over thirty-seven children match that general description within a four-block radius.”
“Narrow it down! Hotdog stand. Food court. Glorified snack zone. Start there!”
He flew lower, scanning. His heart wasn’t beating faster because of the flight. Or the suit. Or the explosions. It was the damn guilt. The way the kid had looked at him.
Tony had seen bravery before—on battlefields, in boardrooms, behind the eyes of people with nothing left to lose.
But that kid?
He was just trying to help. With a trash can lid.
And Tony left him.
“Sir,” JARVIS said, “I’ve located the remains of the hotdog stand. East quadrant of Pavilion 4. Partial collapse. One life sign detected—small. Weak.”
Tony didn’t wait. He landed hard enough to crack the concrete, repulsors blazing as he tore through twisted sheet metal and charred support beams. Dust billowed. Sparks flew.
Please don’t be dead. Please don’t be dead. Please don’t let me be that guy.
A sliver of red fabric. A shoe. A hand.
Tony’s chest clenched.
Then—
A cough.
A soft, shuddering, hiccup of a cough.
Tony dropped to his knees, forcing the faceplate up. “Kid—hey, hey, I got you. You with me?”
The dust cleared enough to see him: curled up under a slanted piece of debris, hoodie pulled over his head, clutching something shiny in one bruised hand.
Peter’s eyes cracked open.
“...You came back,” he rasped.
Tony let out a breath that sounded almost like a laugh and almost like a sob. “Of course I did. I said I would, didn’t I?”
Peter nodded, dazed. “Did you win?”
Tony smiled tightly. “Yeah, we won. All cleaned up. Robots toasted. Kissed the girl. Very cinematic.”
Peter blinked slowly. “Cool.”
Tony reached in and carefully pulled him free. The kid was light. Too light. Covered in dust and scratches, but nothing looked broken.
Tony didn’t trust an ambulance. Not for this.
He’d flown hundreds of people to safety in the last 24 hours, but somehow, this one kid felt more delicate than the rest. Like if he handed Peter off to someone else now, even for five minutes, he’d vanish. Again.
The flight back to the Tower was quiet. Eerily so. Peter lay cradled in his arms inside the partially open shell of the suit, limbs limp, cheek pressed against Tony’s chestplate. His hoodie was smudged with soot and blood—some dried, some fresh—and his fists were still clenched, one of them closed tightly around a piece of melted metal.
Tony didn’t try to take it from him.
He just flew.
The moment they landed, Dr. Helen Cho was waiting at the private medbay, scrubbed in and frowning in that tight-lipped way that meant someone’s about to get chewed out.
“Did you carry him in the suit?” she snapped the moment Tony stepped off the landing pad.
Tony ignored her tone. “He’s stable. But he passed out twice. I didn’t want to risk another roof collapsing on his head.”
“Get him on the scanner. Now.”
Peter was transferred to the padded exam bed with practiced hands. Tony hovered, eyes never leaving the boy. A biobed flickered to life, casting cool blue light across Peter’s too-pale face. A soft mechanical hum filled the room as the AI ran its scans.
Tony stood stiffly, arms crossed, fingers twitching.
Dr. Cho muttered under her breath for a full two minutes before finally exhaling. “No broken bones. Minor contusions on the ribs and hip. Light smoke inhalation, slight dehydration, and he’s… exhausted. That’s all. Kid’s made of rubber.”
Tony snorted under his breath. “Tell that to my heart rate.”
Dr. Cho gave him a look. “He needs sleep, fluids, and a parent.”
Tony didn’t respond.
Peter stirred an hour later, groaning softly as he turned toward the warm blanket someone had tucked around him. His face was flushed, hair sticking to his forehead in sweaty clumps.
Tony was still sitting next to the bed. He hadn’t moved. Not really. Just kept watching. Thinking.
Peter blinked blearily, eyes squinting against the light.
Tony leaned in. “Hey. Still with me, hotdog stand?”
Peter croaked, “Your robot… butler… really loud.”
Tony blinked. Then smirked. “You mean JARVIS? Yeah, he thinks he’s funny.”
“He is funny,” Peter muttered, voice raspy and dry.
Tony reached over and handed him a juice box from the nightstand. “Here. Apple or something organic-looking.”
Peter drank. Slowly. Carefully.
He looked small in the oversized medical bed, knees tucked up beneath the blanket, hoodie sleeves hanging past his fingers.
“Can I meet him?” Peter asked, voice hoarse.
Tony raised a brow. “JARVIS?”
Peter nodded.
“You already did. He’s the one who kept scanning for you. Pushed me to find the hotdog stand.”
Peter blinked slowly. “Tell him… thank you.”
“I will.”
There was a pause. The kind that made the air feel too still.
Then, softly, Peter said, “I thought… you forgot.”
Tony looked down at his hands.
He had no good excuse. Not one that didn’t sound like every terrible thing he hated about himself.
“I didn’t mean to,” he said.
Another pause.
“I forgive you,” Peter whispered.
Tony swallowed the knot rising in his throat and looked away. The juice box crinkled in Peter’s hand. Neither of them said anything else for a while.
It took Peter a few tries to remember his aunt’s phone number. His hands shook when he typed it into the StarkPhone Tony handed him.
May answered on the second ring.
“Hello—?”
“Aunt May?” Peter whispered.
“Peter? Peter?! Oh my God, where—where are you—are you okay?!”
She started crying. Loudly. Peter looked panicked for a moment before Tony gently took the phone from him.
“Hi, this is Tony Stark. Your nephew’s with me. He’s safe. A little scratched up, but fine. I’ll explain everything.”
There was a moment of shocked silence.
Then May screamed.
And kept screaming.
Tony winced and held the phone away from his ear.
Eventually, Uncle Ben’s voice came on. Calm. Weathered.
“Mr. Stark… thank you. Truly. Should we come pick him up?”
Tony hesitated.
“I’ll send a car,” he said. Then paused. “Or a jet. Whichever gets there faster.”
After the call, Peter stayed at the Tower for a few more hours while they waited. He was still tired, but not too tired to wander the lab with slow, reverent steps—barefoot, hoodie dragging behind him like a cape.
He stopped in front of the arc reactor schematic displayed on the wall monitor.
“Is that the first one you built?” he asked softly.
Tony glanced over from the coffee table where he was nursing an energy drink and an existential crisis. “Technically the second. The first was in a cave. With a box of scraps.”
Peter leaned closer. “If you added a second coupler to the oscillator here…” He pointed with one finger, eyes sharp, mind already racing. “...you might be able to reduce the power loss by, like, eight percent.”
Tony just stared at him.
Nine years old.
Peter turned, suddenly shy. “Sorry. That was probably dumb.”
Tony shook his head slowly.
“No. That was… terrifyingly smart.”
Peter smiled faintly.
Ben and May arrived that evening. Tony met them in the private hangar, dressed down in a hoodie and worn jeans that made him look almost human. Happy escorted them through security, wide-eyed as ever.
May looked wrecked. Makeup smudged, hair in a messy ponytail. She kept wringing her hands. Ben was calm, but his face was pale under the fluorescent lights.
Peter came running down the hallway the moment he saw them.
“Aunt May!” he shouted.
She dropped to her knees and caught him in a crushing hug. Peter yelped and laughed at the same time.
Tony stood back, giving them space.
Ben approached him quietly. “You really helped him.”
Tony shrugged. “I got lucky. He helped me first.”
Ben offered his hand. Tony shook it.
“He’s… not like other kids,” Ben said slowly. “Always thinking too fast. Too big. It’s hard for him at school. Hard for him to slow down.”
Tony didn’t say it, but he knew exactly what that felt like.
Before they left, Peter looked up at him.
“Thanks,” he said softly. “For coming back.”
Tony crouched slightly to his eye level. “Thanks for waiting.”
Peter looked like he wanted to say more. Then thought better of it.
He hesitated. Then fished something out of his hoodie pocket.
It was the melted shrapnel. The piece of gauntlet.
“Do you want this back?”
Tony stared at it. Then shook his head.
“Nah. Looks better with you.”
Peter smiled like Tony had handed him an arc reactor.
Then he was gone.
Tony's POV:
That night, Tony was back in the workshop. Same tools. Same playlist. Same world-famous ego.
But everything felt… off.
He kept zoning out mid-schematic. Staring at a line of code and forgetting what the function was supposed to do. He tried to recalibrate the suit’s wrist gauntlets, and somehow burned himself twice. Not because it was complicated.
Because every time he blinked, he saw him.
That damn kid.
That too-small hoodie. That bruised face. That stupid trash can lid. The way he said, “I forgive you” like it was the most natural thing in the world.
Tony groaned and leaned back in his chair, staring at the ceiling.
“JARVIS, tell me something distracting. Something educational. Or offensive.”
“Would you like the revised reports on the Expo cleanup, sir?”
“No.”
“There’s a new Forbes article speculating whether you’ve finally lost your mind.”
“Better. Email that to Pepper.”
“Already did.”
He groaned again and rolled his chair across the lab, bumping into a table leg hard enough to knock over a small pile of metal scraps.
One piece clattered to the floor.
Tony stared.
It was a melted fragment of his own tech. The same kind the kid had held in his hand.
The same one he’d never let go of.
A week later, Tony sat in a glass conference room with Pepper and a team of designers.
They were discussing Stark Tower.
Pepper was talking about cost. Zoning. Energy sustainability. P.R. benefits. Tony was pretending to listen.
He stared at the digital model of the building hovering midair. A shining needle above the Manhattan skyline.
“It’s overkill,” one designer muttered. “All that for an R&D campus?”
Tony leaned back and sipped his coffee. “It’s not just for R&D.”
“Then what’s it for?”
Tony didn’t answer right away.
His gaze drifted to a side note on the blueprint. A top-floor living space. Tucked just beneath the penthouse.
He hadn’t told anyone yet, but he’d requested an extra bedroom.
Small. South-facing window. Next to the kitchen.
Just in case.
Tony smiled faintly. “It’s for future projects.”