Action Comics #7

"Metropolis has been captured! To save it, Superman must push the limits of his nascent powers as never before! Aboard the ship that has the city captive, The Man of Steel finds an important tool that may help him defeat Metal-zero and his boss! And as Superman fights foes in the sky, Steel must do what he can to protect those still in danger on the ground in a backup story by Sholly Fisch and Brad Walker! This issue is also offered as a special combo pack edition, polybagged with a redemption code for a digital download of this issue."