The sequel to 300, 300: Rise of an Empire, is being pushed from August 2, 2013 to March 7, 2014.
Shuffling its release schedule, Warner Bros. is pushing back the release of sequel 300: Rise of an Empire from Aug. 2 to March 7, 2014 -- the same corridor that the first film, a sleeper hit, opened in 2007.Source: The Hollywood Reporter