Mary Marvel Garland. Mary was introduced in "Captain Marvel Adventures" #18 as Mary Bromfield, a girl who discovers she is the long lost sister of Captain Marvel's alter ego Billy Batson. Soon after her introduction, Mary Marvel headlined "Wow Comics", and by 1945 had her own "Mary Marvel" book. She also appeared in "The Marvel Family" book with Captain Marvel and Captain Marvel Jr. In her solo adventures, Mary soon gained sidekicks in her kindly Uncle Marvel, who was not actually her uncle nor a Marvel, and his similarly nonpowered niece, Freckles Marvel. Uncle Marvel was eventually made the Marvel Family’s manager,
Black Adam the Johnny DC comic book series "Billy Batson and the Magic of Shazam!" by Mike Kunkel, an all-ages series which follows its own continuity derived from Jeff Smith's 2007 miniseries "Shazam! The Monster Society of Evil". Black Adam appeared in the first four issues of "Billy Batson", published between late 2008 and early 2009. In this version, Black Adam's alter ego, Theo Adam, is a fourteen-year-old boy, although much of the rest of his backstory remains true to the original Fawcett version of the character. Within the context of the story, the wizard Shazam imprisoned the errant Theo Adam in