Warner Brothers released its third animated short to promote the upcoming action fantasy, Sucker Punch, from Zack Snyder. This one is called Distant Planet, and it focuses on the humanoid robots the girls fight in their escape.
Here is an excerpt from the description from WB:
DISTANT PLANET: In Sucker Punch, the girls find themselves on another planet battling a robot militia on a hijacked train. In “Distant Planet” events unfold from the perspective of the robot hijackers leading up to the girls’ arrival. Sometimes those with less have more to fight for…
(Via Geek Tyrant)