The first LEGO reveal of Comic-Con is the LEGO Star Wars AT-AP (20141) set. It comes with the following minifigures: Wookiee Warrior, Commander Gree (Phase 2), Super Battle Droid, Battle Droid and Battle Droid Commander. Check out the short video clip taken at Comic-Con. This March 2014 set will have 717 pieces and will sell for $69.99.
This is a remake of the LEGO Star Wars AT-AP (7671) set released in 2008. Comparing the two, this new model has more pieces and is more complex while still retaining the same overall shape. The new model is darker in shade too.