This Christmas, Keanu Reeves returns to the martial arts genre with 47 Ronin. Universal Pictures has released the second trailer, along with the latest poster and new photos for the action-thriller. The actor portrays Kai, who teams up with 46 masterless samurai warriors to reclaim their homeland from an army of mystical beasts, shape-shifters and other powerful creatures. Take a look at the latest footage and images from director Carl Rinsch's epic revenge thriller, which also includes a new international trailer and the Thai trailer as well.