The latest trailer for Rambo: Last Blood is one hell of a tease for action hero John Rambo's final ride. Sylvester Stallone returns for the fifth time as Rambo, the Vietnam War vet haunted by his past and frequently reeled into vigilante work wherever he happens to be. The new Last Blood trailer sets up the basics: Rambo's niece, Gabrielle (Yvette Monreal), is taken by a group of South American criminals. Naturally, losing a close family member doesn't sit well with Rambo. He ventures forth on a rescue mission, hoping to find Gabrielle and bring her home. …