In fact, the idea of Lex Luthor and the Joker teaming up is the subject of the classic animated movie The Batman/Superman ...

As Comicbook.com detailed, Luthor and the Joker teamed up in a three-part 1997 episode of Batman: The Animated Series and ...

As rumors swirl about a potential World's Finest movie, Lex Luthor actor Nicholas Hoult says he wants to team up with the ...