Captain Marvel (DC Comics) as "Hoppy the Magic Bunny", with all references to "Captain Marvel and "Shazam" removed. In the 1950s, a small British publisher, L. Miller and Son, published a number of black-and-white reprints of American comic books, including the Captain Marvel series. With the outcome of the "National v. Fawcett" lawsuit, L. Miller and Son found their supply of Captain Marvel material abruptly cut off. They requested the help of a British comic writer, Mick Anglo, who created a thinly-disguised version of the superhero called Marvelman. Captain Marvel, Jr. was adapted to create Young Marvelman, while Mary Marvel had her gender changed
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