You're a superhero, and you have to battle a evil future version of yourself.

You're the best superhero in the multiverse. You have fought all sorts of villains across the multiverse. You have even fought Gods, Tyrants, and androids. You stil always come on top in the end but now a new threat from the future threatens everybody. Your friend from the future his timeline is being attacked by a evil version of you. He plans to wipe out all life throughout the multiverse. Your evil self became evil by giving into their pain. They can't kill you or they would risk killing themself. But they can shatter what you love until you become like them.

What do you plan to do in this scenario?