The secrets of G.I. Joe and Cobraâ€™s pasts are revealed as the greatest arms race in history intensifies, blazing a path across the world. Desperate for an equalizer, the Joes raid a top-secret Cobra bunker located in the Everglades. But when Cobraâ€™s newly hired Dreadnok biker gang intervenes, will the Joes be too late to gain the advantage and, more importantly, save their Autobot allies?!