The latest trailer for G.I. Joe Retaliation, debuting in theaters next weekend, showcases the epic scale of director Jon M. Chu's action sequel. We see the destruction of London, which leads to the government's betrayal of the Joes, and we even catch a brief glimpse at the Cobra Commander. We also get a bit of levity with a scene featuring Duke (Channing Tatum) and Roadblock (Dwayne Johnson) playing a military video game. Check out the latest footage, which includes an introduction by Dwayne Johnson.