ENTER: BRAINIAC! Brainiac returns in a terrifying new form! When Supermans oldest foe discovers the heros return, Brainiac sends his post-human army, the Summer Men, to lay siege to the ancient Fortress of Solitude! When Ronan Kent learns of Brainiacs role in the subjugation of Earth, can he realize his potential and become the Superman of the future, or will the two Supermen die together? The search for the scattered House of El begins here!