Mon-El has agreed to be Metropolis's new champion – unfortunately Metropolis wants nothing to do with him! In the wake of the events in the "New Krypton" saga, Mon-El faces fierce anti-Kryptonian sentiments from a city that assumes he's Kryptonian. Oh, and there's also the not-so-small problem of Rampage. Meanwhile, the Guardian and his Science Police must deal with the Prankster's new wave of murderous fun. And Black Lightning and Steel face the repercussions of a world without Superman.