Xiao Han stood on the terrace of the Long Island Villa, the night wind rustling his black battle suit.
Wanda was already fast asleep in the bedroom, a magic necklace glowing faintly on her collarbone, finally allowing her to escape the torment of nightmares.
"Turing," he called softly.
The AI butler's voice responded gently: "Sir, what do you need?"
"Monitor Wanda's status. If she wakes up, tell her I've gone out for a bit."
"Understood, Sir."
Xiao Han raised his hand, golden magic energy glowing at his fingertips, drawing a perfect arc in the air.
Blazing golden sparks spun and spread, forming a portal leading to the Sun.
On the other side of the door was the surging corona layer, golden plasma like a boiling ocean, radiating endless light and heat.
A Biofield automatically blocked everything, retaining only the warm energy.
He was just about to step in when suddenly...
[Ding! Detecting abnormal fluctuations in the Multiverse!]
The System's alert sounded in his mind.
[Emergency mission issued: Stop the zombie virus from spreading to other Universes. Target World coordinates locked, please proceed immediately.]
Xiao Han frowned slightly: "Zombie virus?"
The System didn't explain much, only projecting a fragmented image in his vision.
A rotting Captain America was tearing at innocent civilians, a zombified Iron Man was roaring madly inside his armor, the entire World plunged into a bloody apocalypse.
"..."
Xiao Han was silent for a moment, then looked back at the Villa.
Wanda was still sleeping, her training had just begun, but he had no time to delay.
"Turing, if Wanda asks, just say I have an urgent matter to handle and tell her to continue practicing as planned."
"Record complete. Wishing you a successful mission, Sir."
Xiao Han no longer hesitated, raising his hand to open another portal.
This time, the other side of the door was no longer the scorching Sun, but a grey sky.
New York.
But it was completely different from the one he was familiar with.
Smoke filled the air, buildings had collapsed, and the streets were stained with blood.
He stepped through, and the moment the portal closed behind him, a putrid, bloody smell assaulted him.
"Roar!!!"
On the street below, a group of zombies were frantically tearing at a mutilated corpse.
Further away, a red and blue figure swung between tall buildings. It was Spider-Man, but his suit was tattered, half his face was rotten, and beneath the white eye mask were a pair of crimson eyes.
"Interesting," Xiao Han showed a look of interest.
"Zombie Universe."
He hovered high in the air, his Super Vision instantly scanning the entire city.
Stark Tower still stood in the distance, but the arc reactor on the top floor was extinguished, and the glass curtain wall was badly damaged.
Inside the building, a faint energy signal caught his attention.
"Jarvis?"
Without hesitation, Xiao Han instantly accelerated, turning into a black stream of light rushing towards Stark Tower.
The mission officially began.
Xiao Han hovered outside the top floor laboratory of Stark Tower, looking inside through the broken glass window.
The laboratory was a mess, various instruments scattered everywhere, and there were dried bloodstains on the walls.
In the center of the laboratory, a modified Mark 43 armor was firmly secured by dozens of mechanical arms, and a bestial low growl came from inside the armor.
"Unknown life form detected."
Jarvis's voice suddenly came from the laboratory speakers, "Energy signature is abnormal, no matching records in the database."
Xiao Han slowly landed inside the laboratory, his black battle boots making a crisp sound on the broken glass.
"I am Xiao Han, from another Universe."
The zombified Tony inside the armor heard the noise and suddenly raised his head. The faceplate automatically opened, revealing a half-rotted face.
He struggled wildly, the mechanical arms making a creaking sound under the strain.
"Another... Universe?" Jarvis's voice held obvious hesitation.
"This... explains many abnormal readings."
Xiao Han walked to the main console, his finger lightly touching the holographic projection. Data streams immediately unfolded before his eyes.
"Tell me what happened," Xiao Han said in a deep voice.
Jarvis brought up a holographic recording: "Three months ago, an accident occurred during Mr. Fantastic's quantum channel experiment, releasing an unknown virus. Mr. Reed was infected first, followed by his family."
In the footage, the members of the Fantastic Four mutated one by one. They attacked the Avengers who came to support them.
Captain America, Hawkeye, and Black Widow fell one after another, then rose again, but in a different form.
"Mr. Stark immediately initiated quarantine protocol after being bitten," Jarvis continued.
"He modified the armor and had me permanently lock him here. For the past 87 days, he has been fighting the virus."
Xiao Han looked at Tony in the armor, that rotten face still retaining a trace of a familiar expression.
Suddenly, the zombified Tony let out a hoarse roar: "Kill... me..."
Jarvis immediately strengthened the restraints: "Sir, please don't!"
Xiao Han was silent for a moment, then asked: "Other survivors?"
"According to the last scan, there may be a small number of humans hiding in underground facilities," Jarvis replied.
"But almost all the superheroes have transformed. The most dangerous is the zombified Hulk, he has destroyed three cities."
Just then, an alarm suddenly sounded: "Warning! High energy reaction detected approaching! Thunder God Thor is..."
Before the words finished, a lightning bolt split the sky, directly shattering the outer wall of the laboratory!
In the smoke and dust, a tall figure slowly walked in, Thunder God Thor.
But most of his golden hair had fallen out, his skin was an unnatural greenish-grey, and mjolnir was stained with dried blood.
"Roar!!!"
The zombified Thor let out a deafening roar, his single eye flashing with mad hunger.
A golden light flashed in Xiao Han's eyes: "Asgardian, you should rest in peace."
He instantly broke the sound barrier, punching Thor in the chest!
The zombified Thunder God didn't even have time to react before a large hole was blasted through his chest, rotten internal organs splattering everywhere.
Xiao Han didn't stop, his Heat Vision precisely severed Thor's cervical spine. When the head rolled to the ground, its mouth was still opening and closing futilely.
The entire process took less than 0.3 seconds.
"Threat... neutralized?"
Jarvis's voice held obvious shock, "You eliminated Thunder God Thor."
Xiao Han shook the rotting flesh from his hand: "He's not Thor anymore."
Turning to look at Tony in the armor, before he used his Super Brain, he wanted to see if Jarvis had a solution.
"Can you develop an antidote?"
Jarvis quickly responded, his voice filled with regret: "I'm sorry, Sir, I've simulated it countless times, I can't find the necessary substitute materials for the antidote, nor how to remove the virus."
"I understand. Tell me the location of the Fantastic Four laboratory."
"Baxter Building, but it has been modified by Reed into..."
"I know the risks," Xiao Han interrupted, "Tony's remaining data mentioned a vaccine."
The zombified Tony in the armor suddenly struggled violently, the mechanical arms making a harsh metallic screeching sound.
Jarvis immediately activated the backup power: "Restraint system is about to fail!"
Xiao Han walked up to the armor and met Tony's rotten eyes: "Hold on, Tony. I'll end this."
A gurgling sound came from the zombified Tony's throat, and he actually squeezed out a complete sentence: "Reed... retains... consciousness... be careful..."
As soon as he finished speaking, the restraint device finally broke! The zombified Tony lunged at Xiao Han, but was blocked by an invisible Biofield half a meter away from him.
"Good night, Tony," Xiao Han said softly, waving his hand and casting a spell.
The spell created an illusion in Tony's consciousness, making him believe he was already dead.
Then, his body stiffened for a second, and then slowly fell, finally gaining a brief rest.
The laboratory fell silent, only sparks occasionally bursting from the damaged wiring.
"Sir... is he gone?" Jarvis asked softly.
Xiao Han nodded: "Not dead, but he needs to sleep for a while."
"Are you really going to the Baxter Building? That's the source of the infection."
Xiao Han was already walking towards the broken window, the golden patterns on his black armor shining in the light: "Someone has to clean up the mess."
He raised his hand to open a golden portal, then looked back at the devastated laboratory: "Want to come along, Jarvis?"
"Mr. Xiao, according to my analysis, your watch was developed by Tony from another Universe, and it contains my core program. I will follow you through the program."
Jarvis's voice came from the remains of the armor, "Perhaps... this time we can save something."
Xiao Han smiled slightly and stepped into the portal.
The golden sparks slowly extinguished behind him, leaving only silence in the room.