DC Comics © April 1964, Superman #168.  The story "Luthor -- Super-Hero!". 

Characters: Lex Luthor (as the Defender, villain); Superman [Clark Kent / Kal-El]; Lexor; Lexorians; Ardora

Script: Edmond Hamilton   Pencils: Curt Swan    Inks: George Klein

This book appears (vg/f 47), w/ the expected nics, tics, wear and tear. Thanks for looking.     9870-1104-47