going to the past

In this story, Deku is a vigilante. He has all the memories of the original stuff from the show, but worse than that ..

What would happen if 3 pro heroes got transported to his past, and "he" also got transported to his past in his past body but something went wrong now they are stuck together What would happen?

Deku, the vigilante's name, is actually Virid, which if you don't know.. means "vividly green." Deku is 17.