The Hero is a Villain?

All their life Dark-fist has wanted to destroy the world, but has never thought about why, their entire existence has been dedicated to destroying the world, even to the point of sacrificing their memories to make it easier to do, but they never get the chance, to their surprise the heroes cause more damage then they ever could, and cause the destruction of the Earth, now without reaching their goal, they decide to bring back the Earth to get the chance to destroy it them-self, but to do so they need to work with the humans as one of them, because all super humans are frowned upon.