Issue: #387
Last valuation update: 2023-06-27
Lex Luthor's super-powered nephew helps him battle Supergirl.
First appearances: Val Colby
Creators: Curt Swan, Murphy Anderson, Mort Weisinger, E. Nelson Bridwell, Kurt Schaffenberger
Characters: Supergirl, Lex Luthor, Superman, Lena Luthor, Val Colby