'300' Sequel Promises More Blood, War and Stunning Special Effects

King Leonidas and his 300 Spartans may have lost their battle against Xerxes and the Persian army, but that doesn't mean there can't still be a sequel. The next installment, 300: Rise of an Empire, comes to theaters on March 7, and the trailer promises more heroic battles and feats of bravery for fans to feast upon.

Based on Frank Miller's graphic novel Xerxes, the plot of 300: Rise of an Empire centers on Themistokles, a Greek, who fights against Xerxes and Artemesia, a commander of the Persian army