Izuku Midoriya knew that he and the others would eventually have to explain the whole thing to their classmates. However, he didn't think he would have to do it at 5:00 in the morning on a school day.

All the students of Class 1-A were standing in the living room, still dressed in their pajamas and yawning and groaning and stretching. Aizawa, All Might, and Principal Nedzu stood in front of them, all looking perfectly well-rested.

Jirou groaned. "Mr. Aizawa, why did you wake all of us up?" she asked, whining like a child. "We have to go to class."

"You're all excused from class for the day," Nedzu replied, earning a collective sigh of relief from the class. "Anyway, we woke all of you up to show you something."

"Oh God, is it a surprise test?" Kirishima asked, suddenly looking like he was on the verge of a panic attack.

"No, it's not a surprise test," All Might replied, looking more tired and irritable than his boss and his coworker. Then again, he always looked tired and irritable.

"What is it, then?" Ashido asked.

"It's, uh... complicated," Aizawa replied. He looked up to the ceiling. "Why don't you go ahead and come on down?"

Spider-Man dropped down from the ceiling, much to the surprise of the 8 students who hadn't met him.

"Woah, it's Spider-Man!" Mineta exclaimed. "Wait, why's he in U.A.?"

Spidey pulled off his mask, revealing Midoriya's face.

"Woah, it's Midoriya!" Mineta exclaimed. "Hey, wait a minute!"

"I can explain," Spidey replied. "My name is Izuku Midoriya, but I'm not the same Izuku Midoriya. I'm actually from another universe."

"Another universe? Like the Multiverse?" Kirishima asked.

"Exactly," the doppelganger replied. "And I'm not the only one."

As he said that, Superman and Iron Man both walked out if the kitchen, eating sandwiches. They stopped when they realized the whole class was in front of them. Iron Man looked at Spidey.

"Wait, we're doing this now?" he asked.

"Are those my sandwiches?" Sato asked.

Superman looked at him before shoving the rest of the sandwich in his mouth and swallowing it. "What sandwiches?"

All of a sudden, Batman ran into the common room, much to everyone's confusion.

"Alright, I'm ready," he said.

"Uh... who are you?" Shouji asked.

"I'm Batman," the vigilante growled.

"He's another Midoriya," Superman said.

Everyone's attention was pulled away by the sound of a toilet flushing. Deadpool walked out of the bathroom, panting heavily. He looked at the class.

"Oh, we're doing this now?" he asked as Spidey pinched the bridge of his nose.

"Are you another Midoriya?" Mineta asked.

"And how long were you in that bathroom?" Ashido added.

"Good. We're all here," Superman said.

"Wait, how many versions of Midoriya are there?" Kirishima asked.

"Technically, there are infinite possible versions of him... me... us," Iron Man clarified.

"Basically, they-slash-I-slash-we were brought to this universe by a machine built by a villain known as Overhaul," Midoriya said.

"Overhaul? Isn't that the Yakuza guy with the plague mask?" Ojiro asked.

"Yeah, except now he has robotic arms and a cabal of supervillains from across the Multiverse," Aizawa added.

"So now, we need to figure out how to stop him and get back to our universes," Spider-Man said. "There's no telling what might happen if we stay in this universe for too lo--"

He stopped talking and froze mid-sentence. Superman walked over and waved his hand in front of his doppelganger's eyes. After about a second, Spider-Man started distorting, his body looking as if it was "glitching." Superman could make out a whimper of pain escaping from the spider-themed vigilante with his super-hearing. Everyone stood there, too afraid to do anything, for a couple more seconds, until Spidey finally stopped glitching and fell to his hands and knees, gasping for air.

"Apparently, that's what happens," All Might muttered.

"I scanned him, and it looks like the Multiversal jump scrambled all of our molecules, meaning we only have a matter of time until we suffer complete molecular destabilization," Iron Man said.

"'Complete molecular destabilization' meaning...?" Deadpool asked.

"We'll disintegrate... painfully," the iron-clad hero clarified.

"How long do we have?" Batman asked.

"I estimate about a week and a half, maybe two weeks if we're lucky."

"We gotta get moving, then," Midoriya said. "Which means we need help."

"Count me in!" Kirishima exclaimed, grinning. "I'm itching for another go at those Yakuza punks."

"You can bet your ass I'll be helping, too," Sato said. "My Quirk's super useful for combat."

"What the hell's a Quirk?" Superman asked.

"I'll also help," Ojiro said. "I may not be the strongest kid in class, but that black belt in my hero costume isn't just for show."

"For the sake of keeping this story simple, we'll just take one more," Deadpool said.

"Ooh, pick me, pick me!" Mineta exclaimed, raising his hand.

"I gotta say, it would be nice to work with a version of you that's not constantly slandering me in the papers," Spider-Man said, looking down at the pint-sized student.

"But if it's in the newspaper, wouldn't it technically be libel?" Mineta asked.

"Some things never change."

"Wait, so what the hell are Quirks?" Superman asked again.

"Oh, they're basically superpowers that almost everyone has," Midoriya answered. "Mine's called 'Superpower,' and it basically enhances my strength and speed."

"Zero Gravity," Uraraka said. "I can make objects weightless by touching them with all five fingers."

"Explosion," Bakugou said. "I can sweat nitroglycerin, and I can ignite it at will."

"Gross," Deadpool muttered.

"Half-Cold Half-Hot," Todoroki said. "I can produce fire from my left side, and ice from my right."

"Engine," Iida said. "I have engines in my calves that increase my speed."

"Electrification," Kaminari said. "I can coat my body in electricity, and I can create a giant shockwave at the cost of a couple neurons."

"I'm sorry, what was that last part?" Iron Man asked.

"Creation," Yaoyorozu said. "I can convert lipids into inorganic objects as long as I know the chemical makeup."

"Earphone Jack," Jirou said. "I have these earphones on my earlobes that I can use to pick up on sounds, and create soundwaves."

"Dark Shadow," Tokoyami said. "I have a sentient shadow creature inside of me that I can summon at will."

"Frog," Tsuyu said. "Basically, I can jump really far, I have a really long tongue, I can swallow and regurgitate stuff, and I can secrete a slightly poisonous mucous."

"Hardening," Kirishima said. "I can harden my skin to become virtually impenetrable, and I can also increase my strength."

"Sugar Rush," Sato said. "I can increase my strength by eating sugar."

"Tail," Ojiro said. "I have a tail. That's it."

"Pop Off," Mineta said, pulling a ball off his head. "I have these balls instead of hair that can stick to stuff." He then demonstrated by sticking it to the floor. "Pretty cool, right?"

The heroes all stared at him. "At least you got the spirit, I guess?" Superman said, holding out a thumbs-up.

"What about you three?" Spidey asked, turning to the three teachers.

"Erasure," Aizawa said. "I can nullify other Quirks by looking at their users."

"High Spec," Nedzu said. "It's why I'm an animal that can talk like a human."

"Well, I used to have a stockpiling Quirk that increased my strength and speed, but I ended up burning through it while fighting a villain, and now I'm practically Quirkless," All Might said.

"Alright. Now that we know each other's powers, we can finally start looking for Overhaul," Spider-Man said. "Any of you know where he might be?"

Yaoyorozu stepped forward. "Well, I did put a tracking device on Bane after I knocked him out," she said, holding up a tablet that showed a blinking red dot.

"Wait a minute," Midoriya said, looking at the tablet. "Why is he heading for Tartarus?"