What DC Comic book did the Joker originally appear in 1940?
Joker (character) The Joker is a fictional supervillain created by Bill Finger, Bob Kane, and Jerry Robinson who first appeared in the debut issue of the comic book "Batman" (April 25, 1940), published by DC Comics. Credit for the Joker's creation is disputed; Kane and Robinson claimed responsibility for the Joker's design, while acknowledging Finger's writing contribution. Although the Joker was planned to be killed off during his initial appearance, he was spared by editorial intervention, allowing the character to endure as the archenemy of the superhero Batman.
Batman Incorporated Batman Incorporated (also known as Batman, Inc.) is an American comic book series published by DC Comics, featuring the superhero Batman. Written by Grant Morrison, the series debuts following the events of "Batman R.I.P", "Final Crisis", "Batman and Robin", and "" where, after being stranded in the distant past and believed dead, Bruce Wayne has returned to the present day DC Universe. Now, he is prepared to take his war on crime to the next level, by essentially "franchising" it and drafting, training and commanding a global team of heroes who will answer to Batman himself called Batman Incorporated.