The characters of Overlord and One piece (Wano Kuni arc) in the universe of MHA? What scenario could this create? Wars ? Alliances? The end of the heroes? The victory of the villains? being at the side of All Might, Galadriel and Luffy, Deku will understand that being a hero is never easy and that everyone has his own definition of justice.
An accident with Mei's new time machine leaves her and Izuku stranded in a world of pirates. At least Gold Roger's kind enough to welcome them and their unexpected passenger aboard his ship.
After sailing for some new waters around the New World, the Straw Hats pirates find themselves stuck in a new modern world full of technology and super power individuals all calling themselves heroes .Now while stuck they have to do some things not heroics to get back to their world.
Apothesis AU. After Wano the Straw Hats are sent to a new world where super-powered individuals calling themselves heroes exist. While running away they meet a boy that had his dream crushed by his childhood hero. Enraged with the hypocrisy the crew decided to help him become a hero with his device called the Infinity Gauntlet. However, a hero can go dark with time.