The Decepticons and Destro’s Iron Grenadiers have teamed up to design a dangerous new Energon-based technology they call “Energon-V.” The heroes of G.I. JOE and the Autobots must team up and stop this new threat before it evolves beyond the prototypical stage—but what if they are already too late?













 
             
                     
                     
                             
                             
             
             
                            