• Origin Galaxy: Milky Way
• Star System: Elidra
• Original Planet: Contraxia, thrid from sun
• Habitat:
• Gravity:
• Atmosphere:
• Population: 17 billion

• Types: Humanoid
• Eyes: Two (2)
• Fingers: Five (5) with opposable thumb
• Toes: Five (5)
• Skin Color: Pink or brown
• Hair:
• Height: 5 ft. 10 in.
• Special Adaptations: For unknown reasons, the left sides of all Contraxians' bodies are darker-hued than the right sides.

• Type of Government: Theocratic matriarchy
• Level of Technology: Superior to Earth, faster-than-light travel, advanced genetics.
• Cultural Traits:
• Names of Representatives: "Marcy Kane", Commander Varga, "Marie Hart".

The woman known as Marie Hart and Marcy Kane were sent to Earth disguised as Earth beings as part of the Contraxians' galaxy-wide program to find a means to rekindle their sun's dying energies. By genetic manipulation, Marie Hart was able to conceive a child with an Earthman. The child grew up to be the Jack of Hearts. Marcy Kane became a college friend of Peter Parker.