DC's "Burtonverse" iteration of Harley Quinn is back with a new costume that would make Jack Nicholson's Joker from Batman '89 blush with envy.

Opinion | The Joker: Folie à Deux trailer gives Harley Quinn a fresh spin – and that's a very good thing ...

Lady Gaga talked about playing Harley Quinn in the upcoming Joker sequel in a new interview, a portrayal of the comic book character that the film’s director likened to members of the Manson family.