ACTION COMICS (1938) #861

« Superman and the Legion of Super-Heroes, » Part 4! Superman’s mission to reunite the Legion of Super-Heroes in the 31st century continues on the one planet more dangerous than Earth: the cold, knowledge-obsessed world of Colu! But what fate has befallen Brainiac 5? And what are the horrible secrets behind Earth’s « new » super-heroes – the Justice League?