Action Comics Vol. 2 (2011-2016) #8

Plot

Superman fights off John Corben, while giving the Collector of Worlds one last chance to restore the miniaturized cities. When he refuses, Superman sends the Kryptonian rocket that brought him to Earth, and its crystal computer system, into the Collector of Worlds to shut him down. Finally, Superman enlarges and restores Metropolis just before its miniaturization becomes permanent and is hailed as Metropolis' hero.