Mary Marvel is superheroine in the DC Comics Universe and a member of the Marvel Family, a group of heroes associated with Captain Marvel. She is the alter ego of Mary Batson, is older twin sister of Billy Batson, Captain Marvel's alter-ego. Like her brother, Mary is granted the power of the wizard Shazam and has to speak the wizard's name to transform into Mary Marvel.
Mary joined her brother and his friend Captain Marvel, Jr in fighting the forces of evil.
