Superman (comic book) story arc and began a link between "Superman", "Action Comics", and "Supergirl" that started a long-form narrative with the "" event. The majority of Robinson's run featured Mon-El and the Guardian as the featured characters, while Superman himself had gone to live on the planet New Krypton. Robinson's last full issue was #699, tying into "", and he finished his run in a short story in issue #700 (August 2010) that returned Superman to Earth. "Superman" #700 also saw writer J. Michael Straczynski, a self-professed Superman fan who feels a personal connection to the character, take over writing duties with
Superman: Doomed planet while Superman creates a new plan: use the Phantom Zone projector to seal both Earth and Brainiac's mothership in the Phantom Zone to give the heroes enough time to defeat Brainiac. Discovering the heroes' strategy, Brainiac destroys the Justice League satellite, disabling the Phantom Zone projector, and attempts to crash his mothership into the planet. Superman and Martian Manhunter push the mothership away from the planet, but Mongul and Non escape from the Phantom Zone and prepare to attack Earth. Although Mongul and Non have escaped from their Phantom Zone, Brainiac's invasion makes them quickly go back. Meanwhile, Superman