New Batman Joker Is… Heath Ledger!? Batman Dark Knight Joker Heath LedgerOf all the recent superhero movies, Batman Begins was probably the most complete, offering a gritty, realistic background to the Batman story. Forget all that for the sequel, though, because Batman's going Brokeback. For the sequel to Batman Begins, entitled The Dark Knight, director Christopher Nolan has ditched any idea that The Joker should be played by an actor so wildly charismatic that he's able to blow everyone else off the screen, like Jack Nicholson did. Instead, for The Dark Knight, Nolan has chosen to cast Heath Ledger -...