We've got a new poster for director Noam Murro's 300 sequel, 300: Rise of an Empire which features star Sullivan Stapleton (Animal Kingdom) in military dress in front of a bloody wave.  That about says it all.  Co-written by Zack Snyder, 300: Rise of an Empire features a sea battle between the Greeks and the invading Persians, with Greek general Themistocles (Stapleton) leading his soldiers against the vast army of the self-proclaimed god, Xerxes (Rodrigo Santoro) and his own general, Artemisia (Eva Green).Also starring Lena Headey and David Wenham, 300: Rise of an Empire opens March 7, 2014.  Hit the jump to view the new poster and be sure to check back here tomorrow for the sequel's new trailer.Check out the full poster for 300: Rise of an Empire below (via @wbpictures):