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,
Captain Marvel (DC Comics) Shazam placed a spell on the city (broken in later issues) that slowed time to a crawl in 1955. This phenomenon was used to explain the Marvel Family's sometimes anachronistic approaches to life and heroism compared to many of their contemporary heroes in the DC Universe. In 2012, writer and then-DC Chief Creative Officer Geoff Johns revised Billy Batson's origin for DC's "New 52" universe, also renaming the character's alter-ego as "Shazam" at this time. In his new origin story, Billy Batson is a moody and troubled 15-year-old foster child living in Philadelphia who has gone through several foster homes.