Supergirl starring in... Adventure Comics #384 (September 1969) by DC Comics
Cover pencils by Curt Swan, inks by Murphy Anderson. The Heroine Haters!, script by Cary Bates, pencils by Win Mortimer, inks by Jack Abel; Supermans electronic date-matcher hooks matches Supergirl with Volar. Supergirl's Greatest Failure! starring Supergirl, Superman, Jimmy Olsen, and Lois Lane, script by Robert Kanigher, art by Kurt Schaffenberger.