Tags: Comics Character.
Mary Marvel is a fictional character a comic book superheroine originally published by Fawcett Comics and now owned by DC Comics. Created by Otto Binder and Marc Swayze she first appeared in Captain Marvel Adventures #18 (cover-dated Dec. 1942). The character is a member of the Marvel Family of heroes associated with Captain Marvel.She is the alter ego of teenager Mary Batson (adopted name Mary Bromfield) twin sister of Captain Marvel’s alter-ego Billy Batson.