Captain Marvel (DC Comics) Comics" #21 (1941) introduced the Lieutenant Marvels: three other boys named "Billy Batson" who could also become adult superheroes. Captain Marvel, Jr., the alter-ego of disabled newsboy Freddy Freeman, debuted in "Whiz Comics" #25 (1941). Mary Marvel, alter-ego of Billy's twin sister Mary Batson, first appeared in "Captain Marvel Adventures" #18 (1942). In contrast to Captain Marvel and the Lieutenants, both Mary Marvel and Captain Marvel, Jr. remained kids in superhero form, and were given their own eponymous books in addition to appearing as the lead features in "Master Comics" and "Wow Comics", respectively. Captain Marvel, Captain Marvel Jr., and
Captain America (comic book) Captain America (comic book) Captain America is the name of several comic book titles featuring the character Captain America and published by Marvel Comics, beginning with the original "Captain America" comic book series which debuted in 1968. Captain America was starring in the title "Tales of Suspense", which was retitled "Captain America" with issue #100 (April 1968). The new title "Captain America" continued to feature artwork by Jack Kirby, as well as a short run by Jim Steranko, and work by many of the industry's top artists and writers. It was called "Captain America and the Falcon" from #134 (Feb.