Eaglemoss #70 Power Girl lead figure. Power Girl, also known as Kara Zor-L and Karen Starr, is a fictional DC Comics superheroine, making her first appearance in All Star Comics #58. Power Girl is the cousin of DC's flagship hero Superman, but from an alternative universe in the fictional multiverse in which DC Comics stories are set. Place of origin: Krypton-Two First appearance: All Star Comics #58 (February 1976)