Superman #29

Superman and an impossible ally search the future for the lost Legion of Super-Heroes! What happened to it, and can it help in the battle against Darkseid's Absolute Legion. LEGACY #872

Characters: Barbara Gordon, Batman, Batwoman (Earth 11), Booster Gold, Brainiac 5, Brainiac 5 (Earth Alpha), Chameleon Boy (Earth Alpha), Cheetah (Minerva), Colossal Boy (Earth Alpha), Cosmic Boy (Earth Alpha), Dawnstar, Ferro Lad (Earth Alpha), Gold Lantern, Jason Todd, Kid Quantum (Earth Alpha), Kinetix, Krypto, Lightning Lad (Earth Alpha), Man-Bat, Polar Boy, Saturn Girl (Earth Alpha), Star Boy (Earth Alpha), Superboy Prime, Superman, Thom Kallor, Timber Wolf (Earth Alpha), Time Trapper, Wildfire (Earth Alpha), Wonder Woman