Final Crisis: Legion of Three Worlds #1

The Time Trapper constantly tries to erase Superman's legacy from the Universe, but the Legion of Super-Heroes have always been there to stop him. This time, though, the Time Trapper has found the ultimate weapon to carry out his plan: the insanely powerful Superboy-Prime!

Characters: Adam Orion, Ayla Ranzz, Bizarro, Blok, Bouncing Boy, Brainiac, Brainiac 5, Chameleon Boy, Chameleon Chief, Chameleon Girl, Chemical King, Colossal Boy, Cosmic Boy, Cosmic King, Cyborg Superman, Dawnstar, Doctor Gym'll, Doomsday, Dream Boy, Dream Girl, Earth-Man, Element Lad, Esper Lass, Ferro Lad, Garth Ranzz, Gates, Gear, General Zod, Invisible Kid, Jacques Foccart, James Cullen, Karate Kid, Kid Quantum (Jazmin), Kinetix, Laurel Gand, Lazon, Leland McCauley, Lightning Lord, Luornu Durgo, Magno, Magno Lad, Martha Kent, Matter-Eater Lad, Metallo, Micro Lad, Mist Master, Mister Mxyzptlk, Mon-El, Mongul, Monstress, Nemesis Kid, Neutrax, Night Girl, Ol-Vir, Parasite (Jones), Phantom Girl, Polar Boy, Power Girl, Prankster, Princess Projectra, Quislet, R.J. Brande, Radiation Roy, Ron-Karr, Saturn Girl, Saturn Queen, Sensor (Legion), Shadow Lass, Shrinking Violet, Silver Slasher, Sodam Yat, Spider-Girl (DC), Sun Boy, Sun Emperor, Superboy Prime, Superman, Tellus, Thom Kallor, Timber Wolf, Time Trapper, Titania (DC), Toyman (Schott), Tyr (DC), Tyroc, Ultra Boy, Ursa, White Witch, Wildfire, XS