G.I. Joe Rise of Cobra (2009)

The story follows two American soldiers, Duke and Ripcord, who join the G.I. Joe Team, a top secret, international special forces unit, after being attacked by MARS troops. Duke and Ripcord must prove that they are Real American Heroes, by stopping the launch of metal-eating 'Nanomite' warheads before an evil organization called 'Cobra' uses them to take over the world.