Much like her mainstream comic counterpart , she came from an alternative universe 's Krypton .
Power Girl appeared in the first issue of Batman : The Brave and the Bold , in which she helps Batman to stop Lex Luthor .
Much like Power Girl 's mainstream comic counterpart , Power Girl came from an alternative universe 's Krypton .
Power Girl appeared in the first issue of Batman : The Brave and the Bold , in which she helps Batman to stop Lex Luthor .