Question: When did the supervillain portrayed by John DiMaggio is Batman: Under the Red Hood first appear in the comic book "Batman"?
Sentence (from "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.
Relevant evidence: Yes