The new series, produced for Starz, will consist of ten episodes and will pick up some twenty-odd years after the events of Army of Darkness (from the setting, I'd guess that the non-apocalyptic one of Army's two endings is now canon). Bruce Campbell will repise the role of Ash, who has been living low and continuing to work in a hardware store. When the Deadites return Ash is forced to go back into battle against them, although age means he also needs to recruit some sidekicks to help out. Still, as the trailer indicates Ash is more than capable of fighting the undead hordes and both his trusty chainsaw and "boomstick" will return.
The series has also cast Lucy Lawless in it, immediately making it more awesome before it even airs.
Ash vs. Evil Dead will debut (of course) on 31 October. It looks extremely gory.