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
Agents of S.H.I.E.L.D. (comic book) and Mockingbird. The series holds an average rating of 6.2 by 21 professional critics according to review aggregation website Comic Book Roundup. Jennifer Cheng of "Comic Book Resources" stated that the first issue doesn’t add much yet to the franchise, but that it shows flashes of promise. Agents of S.H.I.E.L.D. (comic book) Agents of S.H.I.E.L.D. is ongoing digital comic book published by Marvel Comics. It debuted in 2016. It was created after the success of the television series of the same name. It is a sequel to the 2014 series "S.H.I.E.L.D.". The series has 10 issues and ended in February