Superman: Action Comics Vol. 3: Warworld Revolution

Let the trials begin! Superman is on a quest to restore his full power, and to do it he'll need to survive a gauntlet deep in the heart of Warworld. Meanwhile, Steel uses her mastery of Genesis energy to create a white sun...but will this burst of power be enough to vanquish Mongul once and for all? As the mystery villain lurking in the depths is at last revealed, Kal-El will need to overthrow Mongul's empire and save the Phaelosian race from total annihilation!