Art by Riccardo Federici, Daniel Sampere, Will Conrad, Scott Godlewski, Mikel Janin, and others After learning of an enslaved race with mysterious ties to Krypton, Superman and the Authority leave Earth and travel across the galaxy to liberate Warworld. Think it's that simple? Think again. With Superman captured on Warworld, he'll need to team up with other enslaved gladiators to turn the hordes of Warworld against their captors. As the Warworld Saga reaches a breaking point, battle lines are drawn between the two towering forces at odds: Mongul and Superman. Which heroes will survive the conflict, and what will be the fate of the citizens of Warworld? This volume collects the full Warworld Saga: ACTION COMICS #1030-1046, ACTION COMICS 2021 ANNUAL, ACTION COMICS 2022 ANNUAL, BATMAN/SUPERMAN: AUTHORITY SPECIAL #1, FUTURE STATE: SUPERMAN: HOUSE OF EL #1, FUTURE STATE: SUPERMAN: WORLDS OF WAR #1-2, and SUPERMAN: WARWORLD APOCALYPSE #1!