Speaking to Rick Rubin on the podcast Tetragrammaton, Joaquin disclosed that he “met with” Christopher Nolan about potentially playing the Joker in the Batman Begins sequel The Dark Knight.

Heath Ledger stunned the world with his portrayal of the Joker in The Dark Knight. The DC supervillain ... the Joker reveals that his trump card has yet to be played. Avoiding a major catastrophe ...

SEE ALSO: 'Joker: Folie à Deux' review: A middle-finger to fans of Lady Gaga, the DC movies, and musicals in general But just what exactly is that hint at The Dark Knight, and why is it so misguided?