Supergirl is a legacy name used by female super-heroes involved with Superman and the Superman Family. The primary version is Kara Zor-El, Superman`s cousin from the planet Krypton. She has been a member of the Justice League and the Legion of Super-Heroes. The name has also been used by Matrix, a shape-shifting creature from a Pocket Universe who would later fuse with a woman named Linda Danvers developing angelic powers. Power Girl is the Earth-Two version.
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