Adventure Comics, Vol. 1 – Issue 318

While the Legion helps to evacuate the population of the planet Xenn to a new world, Sun Boy, suffering from space fatigue, strands a group of Legionnaires on a remote, deserted planet. PRE- AND POST-CRISIS: Superboy and Mon-El once again try to crack the Time Trapper’s Iron Curtain of Time. NOTES: This was the first actual appearance of the Time Trapper.