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
The Avengers (comic book) The Avengers (comic book) The Avengers is the name of several comic book titles featuring the team the Avengers and published by Marvel Comics, beginning with the original "The Avengers" comic book series which debuted in 1963. In 1960, DC Comics launched a comic book series featuring a team of superheroes called the Justice League. Impressed by that book's strong sales, Martin Goodman, the owner of Marvel Comics predecessor Timely Comics, asked Stan Lee to create a title featuring a similar team of superheroes for Marvel. Lee recounts in "Origins of Marvel Comics": Much like the Justice League, the Avengers