Sam Peters had never been anyone's idea of a hero.
Nineteen years old, five-foot-ten, skinny from too many skipped meals even before the world ended. Brown hair that refused to lie flat, black eyes that always looked a little too tired. An orphan since twelve, shuffled between foster homes in central New Jersey, he had learned early how to disappear. Quiet voice, quieter footsteps, never the kid who started fights or drew attention. The kind of boy teachers forgot to call on and bullies never forgot to target. In a louder world, Sam Peters would have lived and died unnoticed.
The Y-Virus never gave him the chance to die.
It started with a tickle in the back of his throat the week the first bombs went off. Everyone got that tickle; men coughed, then bled, then dropped. Sam waited for the fever. Waited for the collapse. It never came. While the radio screamed about billions dying, while he watched Mr. Delgado next door clutch his chest and fall face-first into his azaleas, Sam simply… kept breathing. By the time the female mutation hit and the streets filled with howling, red-eyed things that had once been mothers, sisters or friends, Sam understood the impossible: he was immune. Maybe the only male on earth.
Four months after the merger of worlds, two months after the last male voice crackled out over the emergency bands, Sam was still alive in a split-level house on Maplewood Drive. He survived the way mice survive: by being small, fast, and forgettable. He drank warm soda from abandoned vending machines, ate cold ravioli straight from cans, slept in bathtubs because they were easy to barricade. Every mirror he passed showed the same hollow face, the same question in his eyes: Why me?
The answer, if there was one, lay west.
It began with fragments on a dying shortwave set he'd scavenged from a ham-radio nerd's basement. Between bursts of static, a calm female voice gave coordinates and warnings to anyone still listening:
"…horde moving south on Route 206… avoid the paths to Trenton ruins after dusk… safe water at mile marker 47 if you can reach it…"
The voice never identified herself, but survivors who repeated the broadcasts on weaker channels swore they had seen her: red hair, black tactical suit shredded to ribbons, moving through the feral packs like a ghost, breaking necks with bare hands, vanishing before the creatures could swarm. Someone called her "the Widow in the Rockies." Someone else just whispered "Black Widow" and crossed themselves, even though half of them had never believed as any Avengers roaming here in this odd place.
Sam didn't need to believe. He needed hope, and hope had an address: a ranch ten miles outside what used to be Colorado County, now just a blank spot on every map that still existed.
He left at dawn with everything he owned: a faded gray hoodie, cargo pants held together by duct tape, boots two sizes too big, a janitor's key ring that opened half the businesses in three counties, a crowbar, three cans of beans, two liters of flat cola, and a photograph of a woman he barely remembered—his mother, smiling on some long-ago beach. He kissed the photo once, slipped it into his pocket, and started walking west.
The journey may took thirty-three days. So he started walking.
He moved only at dawn or dusk, hugging tree lines, belly-crawling through overgrown medians when the hordes were near. The women (what had been women) hunted by scent and sound now, packs of fifty or more, their movements jerky and wrong, like marionettes with half the strings cut. They wore the rags of business suits, wedding dresses, cheerleader uniforms, Wonder Woman cosplay rotting off their bones. Sam learned to smear himself with their stench (urine and rot) so they passed him by. He learned to sleep in drainage pipes and to never, ever light a fire.
On day 1, He slipped out through the Pine Barrens of New Jersey because the hordes hated the sandy soil; it muffled their bare, broken feet. The air stank of cedar and distant smoke. At night he slept under an overturned rowboat on Lake Atsion, listening to something large drag a body through the reeds. He never looked.
On day 4, he reached to the Pennsylvania Turnpike. The interstate had become a parking lot stretching to the horizon. Cars sat with doors open, suitcases exploded across the asphalt like gutted fish. He crawled through a Peterbilt sleeper cab and found a dead trucker still clutching a rosary made of bullet casings. In the glove box: a snub-nose .38 and five rounds. Sam took the bullets and the gun, but he knew it is not the time to use it as the sound of a gunshot was a dinner bell now.
On day 9, he reached outside Peterborough, where The skyline was wrong. Someone had detonated one of Doom's leftover toys during the first week. Three Rivers Stadium lay in a blackened crater; the incline rails hung like snapped guitar strings. He crossed the Monongahela on a barge chained to a casino boat, poling through water thick with bloated corpses that bobbed like pale lilies. On the far bank he vomited until his ribs hurt, then rinsed his mouth with warm Pepsi and kept walking.
On day 12, he reached the Ohio farmland, where he saw the Corn had gone feral, eight feet tall and sharp as razors. He followed deer paths, moving only when the wind moved the stalks so the rustling masked his own noise. One afternoon he stumbled into a pack of thirty infected crouched in a circle, gnawing on what had once been a horse. They didn't notice him until he was ten feet away. He froze. The nearest one - a woman in the remnants of a prom dress, crown still tangled in her matted hair lifted her head and sniffed. Sam was panicked, almost ready to die, but he picked up the gun he kept from the truck, but the wind shifted. They never saw him. He backed away one inch at a time until the corn swallowed him again. He found a little girl's diary in a minivan and read it by moonlight until the tears made the ink run, then left it on the dashboard for someone who would never come.
On day 17, he reached Indianapolis. He found a Meijer superstore still standing, glass doors shattered but the roof intact. Inside, the air was cool and smelled of spoiled dairy. He filled his pack with anything that hadn't bloated or been gnawed: two jars of peanut butter, a box of Pop-Tarts, iodine tablets, and a working Bic lighter shaped like a naked woman. What a miracle!! He is thinking. He ate an entire sleeve of Oreos sitting on the pharmacy counter, crying because the cream still tasted sweet.
That night he slept in the store's portrait studio, curled on a faux-leather couch under a backdrop of smiling graduates who would never collect their photos.
On day 21, he was on Illinois, crossing the Mississippi at St. Louis. The Gateway Arch lay broken in two pieces, the larger half leaning drunkenly into the river like a silver rainbow that had given up. He crossed on the Eads Bridge because the current had swept most of the cars off. Halfway across, a horde of several hundred poured out of the downtown ruins, barefoot on broken glass, shrieking. Sam sprinted the last quarter mile, lungs burning, boots slipping on blood-slick steel. He dove into an overturned CTA bus on the East St. Louis side and wedged himself beneath the seats while they battered the windows for twenty endless minutes. When they finally moved on, he counted the bites on his own arms. He laughed until he hyperventilated, seeing no bite marks.
On day 26, he reached at Kansas. The land flattened into gold and silence. Windmills turned without purpose. He saw his first living human in weeks: several women on a rooftop in Salina, waving a red shirt tied to a broom handle. They were on surveillance duty, that means there might be a safe heaven. Behind them, smoke rose from a dozen fires. Sam was thinking to visit them , but he started walking on the opposite side until the plain swallowed him again as he thought it might be a trap for any survivor.
On day 30, he finally reached the Colorado foothills. The air turned thin and sharp. Pines replaced corn. Snow dusted the higher ridges even though it was only September. He found a dead elk suddenly, still not damaged due to the snow. He carved strips of meat with his pocketknife, smoked them over a tiny fire of pine needles that he put out the second the meat turned black. The taste was gamy and rubbery, but it feels heavenly to him.
By the time the Rockies rose purple against the horizon, Sam was a scarecrow in stolen clothes, lips cracked, feet blistered through three pairs of socks. He hadn't spoken aloud in two weeks; his voice felt borrowed, like something that belonged to another species.
Colorado County was a graveyard of rusted pickups and wind-torn FOR SALE signs. Deer, as in real deer, not the twisted things the virus sometimes made, picked their way through suburban streets. Sam followed a hand-painted sign that simply read SAFE with an arrow pointing down a dirt road. The ranch appeared at twilight: white clapboard gone gray, barbed wire laced with tin cans and Christmas bells that rattled in the wind, tripwires glinting like spider silk. A single windmill turned lazily, powering a generator that puttered soft and steady. Cameras, real cameras, somehow still working, tracked his approach from every angle.
Natasha Romanoff had smelled him long before she saw him.
The wind shifted across the valley just after sunrise, carrying the unmistakable stink of unwashed human male. She had been standing at the kitchen counter, pouring yesterday's reheated coffee into a chipped Avengers mug, when the scent hit her like a slap.
Her hand froze mid-pour. Coffee sloshed over the rim and hissed on the hot plate.
Male.
Impossible.
She set the pot down with deliberate calm, the way she used to set down a detonator when a mission went sideways. Every muscle locked, every sense snapping wide open. The ranch dogs as the two mutts she'd rescued from a Denver shelter far ago, began barking furiously at the chain-link, hackles raised. The motion sensors chimed once, soft and polite, the way she had programmed them.
Natasha moved.
She found A Shotgun from the umbrella stand by the door. It was a twelve-gauge, loaded with flechettes because buckshot just pissed the ferals off, bare feet silent on the worn pine floor. She slipped out the side entrance, circled wide through the corrals, and took position behind the old livestock tank that still smelled faintly of cattle and gun oil. From there she had overlapping fields of fire on every approach and a clear view of the cameras she'd wired into the old barn.
The figure that came limping up the gravel drive looked like something dragged out of a grave and left in the rain for six weeks. Hooded sweatshirt in tatters, pants held together by silver duct tape, boots wrapped in garbage bags. He moved like every joint had been broken and badly reset. The backpack, once bright red, had faded to the color of dried blood.
Natasha's finger rested on the trigger, steady as ever. She had killed men for less than trespassing. She had killed men for nothing at all. She shouted, the words coming out as Warning, "Halt! State your purpose!"
The guy stopped thirty yards out, raised both empty, trembling hands, and pushed the hood back.
The world tilted.
A boy's face. Nineteen, maybe twenty. Cheekbones sharp enough to cut paper, sunburn peeling in sheets across his nose, lips cracked and bleeding. A patchy face. Black eyes sunk deep, ringed black with exhaustion. Dirt streaked his cheeks like war paint.
But undeniably, impossibly male.
Sam was thirty yards from the porch when the voice cut through the evening like a blade.
"Halt. State your purpose."
It was Deadly.
Sam stopped, raised both empty hands, and pushed back his hood with trembling fingers.
"I'm not infected," he called, voice raw from disuse. "I am Sam Peters. I just… I heard your broadcasts. I walked from New Jersey. I want to help. And I need… I need to know why I'm still breathing."
Silence. Long enough that he felt the old familiar panic, maybe she is gonna shoot now, or worse, turned away.
Then he heared footsteps on gravel.
She stepped out from behind a rusted livestock tank, shotgun lowered but not relaxed. Red hair, longer than the old photographs, tied in a messy knot. Green eyes sharp enough to cut glass. A faded S.H.I.E.L.D. T-shirt, black cargo shorts, bare feet tough as leather. Scars crisscrossed her arms like tally marks. She was thinner than talks, but the way she moves and her hair was unmistakable.
Natasha Romanoff stared at him as if he were a ghost.
"How," she asked, voice barely above a whisper, "are you alive?"
Sam gave a broken laugh that sounded more like a sob. "I was hoping you could tell me."
The shotgun dipped. For the first time in months, someone looked at him without hunger or horror in their eyes, only stunned recognitions.
"Boy," Natasha said softly, wonder creeping into the word, "do you know me?"
Sam blinked, suddenly unsure if exhaustion had broken his mind.
"You're… you're Black Widow."
A faint, tired smile ghosted across her face.
"Yes," she said. "I am. Come on inside, Sam Peters. You look like you haven't eaten real food since the world ended. We'll talk when you can stand without swaying."
She turned toward the house, pausing only to glance back.
"And for what it's worth… welcome to what's left of it."
Behind them, the generator kept its steady heartbeat, the only mechanical sound in a world gone silent. Ahead, through the screen door, Sam smelled real coffee and something distantly like safety.
For the first time in four months, the last man on Earth was not alone.