But that's not a recent development; Harley Quinn out-fought the Dark Knight in her very first appearance. Harley Quinn first appears in DC's canon in Batman: Harley Quinn #1 by Paul Dini ...

Harley Quinn first appeared as an unnamed henchwoman for the Joker in the Batman: The Animated Series episode "Joker's Favor," created by Paul Dini and Bruce Timm. At the time, she was just an ...

Lady Gaga is the latest star to portray Harley Quinn, the DC villain and Joker's right-hand who has appeared in both live action and animation. Kaley Cuoco says she's all in to team up with fellow ...

Do I need to watch that to understand 'BoP'? No. If you're familiar with Harley Quinn's appearance in "Suicide Squad" or anywhere in the animated DC universe then that knowledge will pay off.