A 5 years old izuku quirk activate when he was watching power ranger jungle furry.

He is seeing how to called the beast inside. Then he us seeing fighting style of Naruto uzumimki. When he is done watching and both fighting style he passed out.

His mom seen him unconsciousness. She taken him to the hospital.

5 hours izuku past as awaken up. He tell him mom about happen when she found hum unconscious.

The doctor ask izuku what will he name his quirk. Izuku replay its called multiverse style.