(W) Steve Orlando (A) Brian Ching (CA) Bengal. "REIGN OF THE CYBORG SUPERMEN" part five! As National City becomes a war zone* Cyborg Superman's plan to resurrect Argo City reaches its deadly final phase: rain Argo City itself down upon the earth! Supergirl is all that stands in the way of total destruction but with the clock ticking and the stakes rising she'll need more than just brute force. She'll need the help of...Cat Grant? RATED T