The Legion of Super-Villains spring Lex Luthor from jail, together they will take down Superman!
Tag: Lex_Luthor
Adventure Comics #300 Sept. 1962
The Legionnaire’s powers start malfunctioning; an emergency call is made to Superboy to see if he can help. The culprit is Urthlo, a masked adversary with the ability to turn the Legionnaire’s powers on and off with the flick of a switch.