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
Captain Marvel (DC Comics) modern-day comic book world, instead of the traditional depiction used prior to 1986, which tended to treat Captain Marvel and Billy as two separate personalities. This revised version of Captain Marvel also appeared in one story-arc featured in the short-lived anthology "Action Comics Weekly" #623–626 (October 25, 1988 – November 15, 1988), in which a Neo-Nazi version of Captain Nazi was introduced. At the end of the arc, it was announced that this would lead to a new "Shazam!" ongoing series. Though "New Beginning" had sold well and multiple artists were assigned to and worked on the book, it never