In a nod to that first appearance, she says goodbye to ... At the time of her conception, she was the perfect foil for Batman, considering the Joker has never been known for his fighting physique ...

Moore saw Batman and Joker as a mirror image of each other ... For one, he is one of the oldest villains in comic book history, his first appearance dating all the way back in 1940, with "Batman ...

SEE ALSO: Henry Cavill's mustache is being digitally removed in 'Justice League' reshoots The Joker movie, its first and only known ... gangster m.o. and jester appearance. Not much of it stuck ...

Ben Affleck's Batman may have been more violent than Dawn of Justice made him seem, as suggested by his absent rogue gallery ...

At in point in The Dark Knight Superman could fly in, grab Joker by his collar, and fly him to a prison. Per usual, Joker ...

Batman has a staunch rule against ever using a gun, except he just broke it in the newest issue of the "H2SH" storyline.