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
Comic Jumper: The Adventures of Captain Smiley to the game's difficulty, adding that there were also a few moments where the game's momentum slowed. GamesRadar's Matthew Keast rated the game a 4/10, criticizing its sense of humor and repetitive gameplay. The reviewer said that it "just feels like a first-time attempt at a twin-stick shooter, however the devs didn’t look at what makes these games function smoothly or provide an interesting and fair challenge." Kotaku's Luke Plunkett said "Comic Jumper" was "what happens when a developer sets out to make a funny game, then forgets all about the game part." Comic Jumper: The Adventures of Captain Smiley