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) of their 1953 settlement. Looking for new properties to introduce to the DC Comics line, DC publisher Carmine Infantino decided to bring the Captain Marvel property back into print, and in 1972 he licensed the characters from Fawcett. Because Marvel Comics had by this time established "Captain Marvel" as a comic book trademark for their own character, created and first published in 1967, DC published their book under the name "Shazam!" Infantino attempted to give the "Shazam!" book the subtitle "The Original Captain Marvel", but a cease and desist letter from Marvel Comics forced them to change the subtitle to