Captain Marvel (DC Comics) in unison, they can become adult superheroes as well. In "Whiz Comics" #25 (Dec 1941), Captain Marvel saves Freddy Freeman, a boy who had been left for dead by the evil Captain Nazi, and does for Freddy what the wizard did for him. By speaking the name "Captain Marvel," Freddy can become the superpowered Captain Marvel, Jr.. Unlike Billy, Freddy retains his 14-year-old appearance as a superhero. "Captain Marvel Adventures" #18 (Dec. 1942) introduced Billy and Freddy to Mary Bromfield, a rich girl who turns out to be Billy's long-lost twin sister. By saying the magic word "Shazam," Mary Bromfield
X-Men (comic book) X-Men (comic book) X-Men is a comic book ongoing series a namesake team of superheroes, published in various incarnations by Marvel Comics, beginning in 1963. The first series was eventually renamed "The Uncanny X-Men" with issue #114 (October 1978). In 1991, a second, companion series debuted, marking the first time, that more than one "X-Men" series would be published. This series took the simpler, earlier name "X-Men", thought it would later be titled "". Volume 3 began publication in September 2010 and for most of its run featured team-ups between the X-Men and other Marvel characters, ended at issue #41