AMC has unleashed a new trailer for The Walking Dead, which returns for the second half of Season 3 starting Sunday, February 10 at 9 PM ET with "The Suicide King". In what will surely be an explosive episode, Rick Grimes (Andrew Lincoln) must prepare the rest of his group for a "fight to the death" with The Governor (David Morrissey) and his Woodbury followers, who are making their way to the prison. Take a look at the latest footage which teases this epic showdown between the determined Rick and the one-eyed Governor.