<page_title> Supergirl (Kara Zor-El) </page_title> <section_title> Collected editions </section_title> <table> <cell> Supergirl Archives Vol. 1 <col_header> Title </col_header> <col_header> Original </col_header> </cell> <cell> Superman #123, Action Comics #252–268 <col_header> Material collected </col_header> <col_header> Original </col_header> </cell> </table>
Supergirl first appeared in a story published in Action Comics #252.