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 (Khn'nr) Captain Marvel (Khn'nr) Khn'nr is a fictional alien character appearing in American comic books published by Marvel Comics. He is a Skrull sleeper agent posing as the Kree Captain Mar-Vell (also known as Captain Marvel). The shapeshifting Skrull Khn'nr was bonded with the DNA of Mar-Vell to lock his body into Mar-Vell's form and given technological replicas of the Kree Nega-Bands. However, his mental conditioning was botched, causing Khn'nr's personality to be erased and leaving the Mar-Vell persona dominant. Though part of the Skrull invasion of Earth, this Captain Marvel decides to fight against the invading Skrulls. In 2007, Mar-Vell