Heath Ledger stunned the world with his portrayal of the Joker in The Dark Knight. The DC supervillain is presented much more realistically than he ever had before, but he retains as much menace ...

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?