Superman #31

Superman and his allies have been thrown into a dangerous game to capture the Heart of Apokolips at the center of Earth. But what is the Heart of Apokolips? And how are its origins tied to Krypton! And why doesn’t Darkseid’s Legion want Superman to find out.. LEGACY #874

Characters: Batman, Booster Gold, Captain Atom, Flash (Garrick), Jon Kent, Jonathan Kent, Kelex, Lobo, Lois Lane, Martha Kent, Mercy Graves, Natasha Irons, Parasite (Jones), Plastic Man, Steel (John Henry Irons), Sun Boy (Earth Alpha), Superboy Prime, Supergirl (Kara Zor-El), Superman, Time Trapper, Wonder Woman, Zatanna