The Brainiac 13 saga (which began in SUPERMAN Y2K) continues! As Metropolis morphs into a futuristic city capable of containing the new Brainiac (represented in an extraordinary CGI creation), Superman must cope with all the threats that come with his revamped stomping grounds, including a brand-new Metallo that towers over the city. Even with the help of the Metal Men, the Last Son of Krypton is outgunned. Meanwhile, Luthor finds salvation in the form of his daughter. Plus, the most unexpected return of all!