Mary Marvel

Golden Age Origin
When the Batson twins, Billy and Mary Batson, were nursed by a woman named Sarah Primm. However, after their parents died Mary was secretly given to the the wealthy Ms. Bromfield by Mrs. Primm, while Billy was sent to the orphanage.

Years later, Billy received an urgent letter from  a dying Sarah Primm. She reveals the truth ans gives him a half of a locket which his sister possessed the other half. Billy told his friend Freddy Freeman and the two heroes transform into Captain Marvel and Captain Marvel Jr. The two of them then begin looking for a contestant on Billy's radio quiz show that had a broken locket. They find the girl is being kidnapped and save her. They reveal their secret identities to Mary and inform her that she is Billy's sister. Mary wonders if she too could transform using Billy's magic word, "Shazam!"

The Kidnappers awaken and gag both of the boys. Mary then accidentally says Shazam and transforms defeating the crooks and saving the boys who dub her Mary Marvel.

Powers and Abilities
Mary Marvel gets her powers from Selena (Grace), Hippolyta (Strength), Ariadne (Skill), Zephyrus (Speed), Aurora (Beauty), Minerva (Wisdom).

Public Domain Golden Age Appearances

 * Captain Marvel Adventures #18-19, 37
 * Whiz Comics #48
 * Wow Comics #9-35

Copyrighted Golden Age Appearances

 * Master Comics #118
 * Wow Comics #36-58
 * The Marvel Family #1-89
 * Mary Marvel #1-28