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 Marvel (DC Comics) and that Billy is a reporter for WHIZ Media, rather than a radio broadcaster. The Earth-5 Captain Marvel reappeared in "Final Crisis" #7, along with an army of Supermen from across the Multiverse to prevent its destruction by Darkseid. Following The New 52 Multiverse reboot, Earth-5 remains a Fawcett Comics-inspired setting, and is spotlighted in the comic book "The Multiversity: Thunderworld #1" (Feb 2015), a modernized take on the classic Fawcett "Captain Marvel" stories from writer Grant Morrison and artist Cameron Stewart. A female version of Captain Marvel is shown as a member of an alternate-future Justice League in "".