Captain Marvel (DC Comics) abilities. Based on book sales, the character was the most popular superhero of the 1940s, outselling even Superman. Fawcett expanded the franchise to include other "Marvels", primarily Marvel Family associates Mary Marvel and Captain Marvel Jr., who can harness Billy's powers as well. Captain Marvel was also the first comic book superhero to be adapted into film, in a 1941 Republic Pictures serial titled "Adventures of Captain Marvel". Fawcett ceased publishing Captain Marvel-related comics in 1953, partly because of a copyright infringement suit from DC Comics, alleging that Captain Marvel was a copy of Superman. In 1972, DC licensed the
Marvel Super Hero Island Marvel Super Hero Island Marvel Super Hero Island is an area at Universal Orlando's Islands of Adventure park in Orlando, Florida that is themed after popular Marvel Comics superheroes. The island is home to four attractions, including "The Incredible Hulk" and "The Amazing Adventures of Spider-Man". Marvel Super Hero Island’s architecture and theming is modeled after a Marvel comic book, with a comic book color scheme, amplified angles, and cutouts of many of the most popular Marvel characters. What is today known as Marvel Super Hero Island was originally going to be an area known as "Gotham Island", featuring Batman