World's Finest Comics #124 (1962)

The Mystery of the Alien Super-Boy (Superman, Batman and Robin / written by Jerry Coleman)"The strange bloodhound has tracked us down and has seized us-- while its master, that alien boy, is attacking Superman!" "And he seems to be a match for Superman!"What happens when an alien thinks Superman and Batman are wanted criminals?From Many Lands (public service message written by Jack Schiff)The Planeteers' Plutonian Passenger (Tommy Tomorrow / written by Jack Miller)Homer (gag strip by Henry Boltinoff)Pieces of the Rainbow (full text article)The Case Of The Crime Specialists (Green Arrow, Speedy, Mastermind / written by Ed Herron : reprinted in: Showcase Presents Green Arrow #1)Mastermind is behind a bunch of seemingly impossible crimes.