Variety has the details:
Superman will be back on June 14, 2013 with Warner Bros. selecting that date for the opening of Man of Steel -- six months later than what had been tentatively planned.
Studio made the announcement Thursday. Warner Bros. had said previously that the release was planned for December 2012 but had never set a specific date.
Man of Steel is the third title set for June, 2013. Disney has set Monsters University for June 21, 2013, and Uni has R.I.P.D. due to open a week later.
Zack Snyder's directing for Warner Bros. and Legendary Pictures. Pic's due to begin shooting this summer in Pittsburgh with Brit thesp Henry Cavill set to play Superman with Amy Adams, Kevin Costner, Diane Lane and Michael Shannon also starring.
David Goyer penned the script and developed the story with Christopher Nolan, who has kept plot details under wraps. Charles Roven will produce along with Emma Thomas, Nolan and Deborah Snyder. Thomas Tull and Lloyd Phillips will exec produce for Legendary.