Marvel Maid hails from the world Terra, an Earth like planet that is light years away from Earth. The spitting image of Earth's Supergirl, her origins are similar but uniquely different. Her society lived in an underground society on the planet Terra. This world was soon doomed when the caverns that housed their homes crumbled. Her father Jaal-Kor, wishing to spare his daughters life, sent her to the surface world in a drilling device. Arriving on the surface, she was found by a family who raised her in spite of the fact that she had super-human powers on Terra's surface. She soon became the super-hero Marvel Maid, setting up her own Fortress of Marvels in space to house her may souvenirs and trophies. She would also adopt the civilian identity of Lea Lindy, and work as a cub reporter for the Daily Planet in the city of Macropolis.
In recent times, a drill device from her home surfaced containing the the body of her cousin, whose device malfunctioned trapping him in suspended animation until he reached adulthood and was freed. Deciding she would someday need him as an ace in the hole against a super-villain and seeing that he needs a lot of time to learn how his new found powers work, she set him up with a civilian identity of his own: Ken Clark, a prisoner, who would secretly break out of jail when needed as Marvel Man. Marvel Man would operate in secret much like Supergirl of Earth would.
When Supergirl learned of the existence of Terra, she would go there with Superman's permission to ask Marvel Maid if she can take her place temporarily and see if she can prove to Superman that she can operate as a super hero and not make any mistakes. Marvel Maid agreed, however the subtle differences between Terra and Earth would trip up Supergirl who would in the end still manage to correct her mistakes and save the day. After fixing the recently crashed Fortress of Marvels, Supergirl asked Marvel Maid to petition Superman to allow Supergirl to reveal herself to the people of Earth. At first, Superman confused Marvel Maid with Supergirl, however after the misunderstanding was sorted out, Marvel Maid appealed to the Man of Steel. However, Superman refused, citing that even though Supergirl managed to defuse certain problems, she could have avoided a lot of problems if she took the time to study the planet Terra before going into action, and denied Supergirl.
Marvel Maid would return to Terra, presumably to continue her super-heroics, her current fate following the many changes in reality caused by the Crisis on Infinite Earths, and other related disasters is presently unrevealed.
Presumably, Marvel Maid has all the same abilities as the Earth-One Supergirl. At the very least she has been shown to have super-human strength, invulnerability, and the power of flight. It has not been revealed if she has other similar powers such as x-ray vision and super-breath. Her only known weakness is to diamonds, which drain her power and can prove fatal in the same way Kryptonite is harmful to Kryptonians.
- This version of Lea Lindy, including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.
- 2 Appearances of Lea Lindy (Earth-One)
- 1 Images featuring Lea Lindy (Earth-One)
- Quotations by or about Lea Lindy (Earth-One)
- Character Gallery: Lea Lindy (Earth-One)