What DC Comic book did the Joker originally appear in 1940?
The Joker (comic book) The Joker is a comic book series published by DC Comics starring the super-villain the Joker. It ran nine issues from May 1975 until October 1976.
Batman (comic book) Batman is an ongoing American comic book series featuring the DC Comics superhero, Batman, as the main protagonist. The character first appeared in "Detective Comics" #27 (cover dated May 1939). Batman proved to be so popular that a self-titled ongoing comic book series began publication with a cover date of Spring 1940. It was first advertised in early April 1940, one month after the first appearance of his new sidekick, Robin, the Boy Wonder.