Back in March, director Zach Snyder broke the news that Frank Miller was working on a follow-up to 300, which would focus on 'Xerxes'. In an interview with the LA Times, Snyder shared some more details. This movie follows Themistocles and the Battle of Artemisium, which coincidentally happens on the exact same three days as the Battle of Thermopylae [which was the basis of 300]. This one starts off with a quick retelling of the why of the Persian wars. It starts off at the Battle of Marath...