Captain Marvel (DC Comics) Mary Marvel appeared together as a team in another Fawcett publication, "The Marvel Family". In addition, there was a funny animal spin-off character, Hoppy the Marvel Bunny, which was created in 1942 for Fawcett's "Funny Animals" comic book and later given an eponymous series as well. With Bill Parker having been drafted into World War II, chief writing duties on the Captain Marvel-related comics stories went to Otto Binder by 1942. C.C. Beck remained as lead artist, and he and Binder steered the Captain Marvel stories towards a whimsical tone that emphasized comedy and fantasy elements alongside the superhero action.
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