World's Finest Vol. 1 (1941-1986) #238

Plot

When the super-sons help a pretty girl perform a theatrical show for prison inmates, they unwittingly help Lex Luthor's daughter Ardora engineer his escape. They accompany the Luthors to Lexor, where Ardora has brought Lex in order to cure a gigantism plague. When Ardora learns that her father was reponsible for the plague, she turns to the boys for help in curing it, and sees to it that Luthor is returned to custody on Earth.