Mary Marvel Mary Marvel Mary Marvel is a fictional character 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/Shazam Family of heroes associated with the superhero Shazam/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. Like her brother, Mary has been granted the power of the wizard Shazam, and has but to speak the wizard's name to be transformed into
Adventures of Captain Marvel most popular superhero, and they agreed. Director William Witney, however, was skeptical about trying to adapt Captain Marvel after the problems encountered with Superman. In spite of this, "Adventures of Captain Marvel" became the first superhero film adaptation of a comic book character. National attempted legal action to prevent Republic from developing their arch rival's most successful character, citing Republic's failure at adapting a Superman serial. Their attempt was unsuccessful, however, and Captain Marvel went into production. Writing in his autobiography of the period, William Witney revealed that in his court deposition he had claimed that both Superman and Captain