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 (film) felt it would create the question of "what happened to Captain Marvel to take her off the playing field ahead of the Marvel movies that we've seen to date?", and noted Danvers' story might echo the "Captain America narrative", where "a hero from the past... disappears from the world before re-emerging". Also in July, the California Film Commission awarded a $20.7million tax credit to the production, going towards the first $100million spent on qualified in-state expenditures, making California the main filming location for "Captain Marvel". D'Esposito called this "very exciting" given Marvel Studios' headquarters and post-production facilities are also in