The Supreme Doomsday In Marvel

SHIELD Headquarters.

Nick Fury stared at the report in his hand, his one good eye filled with disbelief.

He turned to Agent Phil Coulson, standing dutifully at his side. "Are you sure this is the guy Wilson Fisk was talking about? A kid? This young?"

"Yes, Director," Coulson replied, his voice steady but carrying an edge of unease. "At first, I thought there was an issue with the intel, but after verifying everything... it lines up. He's the one they've been whispering about—the one Fisk is afraid of."

Nick Fury's face hardened as he tapped the report against his palm.

"Notify Natasha. I want Black Widow to investigate this immediately. If she confirms he's the same guy who's been stirring up chaos for the past three years, I need to know."

"Understood, sir," Coulson said, already reaching for his comms.

---

Elsewhere, in Queens.

Midtown High School buzzed with the usual energy of teenagers exchanging gossip, procrastinating assignments, and stealing glances at their phones.

Yuki sat quietly in the back corner of his classroom, staring blankly out the window. It had been three years since he had woken up in the Marvel universe, and he had long since learned how to blend into the background.

At first, the realization of where he was had filled him with despair. He wasn't in some random universe; he was in Marvel.

The land of gods, monsters, and battles that shattered planets. He was an ordinary human—or so he thought. Surviving felt like an impossible task.

Then it happened. In his darkest moment, Yuki unlocked the power of Supreme Doomsday.

It wasn't just strength. It was overwhelming, godlike power. Strength to crush mountains, speed that blurred him out of sight, endless stamina, and regenerative abilities so potent that even death couldn't hold him.

He didn't just survive; he thrived. His enemies learned the hard way that fighting him was futile. The harder they hit, the stronger he became. His power evolved, adapted, and retaliated against whatever dared to stand in his way.

Yuki sighed, leaning back in his chair as the teacher's monotonous voice droned on.

"Three years," he thought to himself, his lips curling into a faint smirk. "Three years, and I've left my mark on this world. Fisk works for me now, though he doesn't know it. SHIELD keeps their distance, and not even Tony Stark is bold enough to cross me. And yet... I'm bored out of my mind."

His eyes drifted to the classroom door as Peter Parker slid into the seat beside him, visibly excited.

"Yuki!" Peter whispered, leaning closer. "Did you hear about Tony Stark? He got ambushed while testing some new tech in the desert. Everyone online thinks he's done for!"

Yuki's eyes flickered with brief interest but quickly dulled. "Tony Stark, huh?" he muttered, resting his chin on his hand.

"Too weak," he thought. Stark in his current state wasn't worth his attention. Magneto, however, might put up a better fight. Yuki had beaten him so many times now that the mutant was probably training just to avoid further humiliation.

"Peter," Yuki said, his voice heavy with indifference, "I'm going to sleep. Wake me up when something interesting happens."

Before Peter could respond, Yuki closed his eyes, letting the low hum of the classroom wash over him.

That's when it happened.

A sudden chime echoed in his mind, clear and mechanical.

[Ding! Would you like to join the dimensional chat group?]

[Accept] [Decline]

Yuki's eyes snapped open. His body tensed, power rippling beneath his skin as he scanned the room.

Everyone else seemed oblivious, but Yuki could feel it—a disturbance, something unnatural.

In the distance, Natasha Romanoff, the Black Widow, entered the building. The second she stepped inside, her instincts screamed at her.

The air was heavy, laced with a pressure she hadn't felt since the Battle of New York. Her hand hovered near her concealed weapon as her mind raced.

"This must be him," she thought. "Fury was right. He's not just some kid."

Meanwhile, Yuki's focus was entirely on the strange interface in his mind. His power scanned his body for abnormalities but found none.

"Supreme Doomsday doesn't allow weaknesses," he thought. "So how did this… system get in?"

After a moment's hesitation, he muttered, "Accept."

[Ding! Welcome to the dimensional chat group!]

Yuki's mind buzzed with recognition. He had read enough stories in his previous life to know what this was.

A grin spread across his face. "Finally, something interesting."

Before he could explore further, messages began flooding in.

[ Whitebeard: "Gurararara! Welcome, newcomer. I am Whitebeard, Emperor of the Sea!" ]

[ Asuna Yuuki: "Hi there! Welcome to the chat. I'm Asuna, and I might be the poorest one here!" ]

[ CC: "Don't listen to her, newbie. She's rich enough to buy planets. Anyway, welcome~!" ]

Yuki sighed, propping his chin on his hand. "An old pirate, an anime swordswoman, and… an immortal witch?"

Still, his excitement bubbled under the surface. If this group was as powerful as he hoped, they could become the key to pushing his limits even further.

Smirking, Yuki typed his first message.

[ Yuki: "Thanks for the invite. I'm from Marvel, and just so you know, I'm Supreme Doomsday." ]

In the corner of the room, Natasha's gaze locked onto Yuki. Her instincts were screaming louder than ever.

"Time to find out who this kid really is," she muttered, stepping into the classroom.

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