Weapons expert James McCullen has created a nanotechnology-based weapon capable of destroying an entire city. His company MARS sells four warheads to NATO, and the U.S. Army is tasked with delivering the warheads. Duke and Ripcord are delivering the warheads when they are ambushed by the Baroness. The two are rescued by Scarlett, Snake Eyes and Heavy Duty. They take the warheads to the G.I. Joe's command center, rendezvousing with General Hawk. McCullen...

Dangerous government experiments with time travel leave a scientist and an airplane missing when they fall into a time ripple that is threatening the very existence of Earth.

Called "Juggernaut," these are the unmanned combat drones developed by the Republic of San Magnolia in answer to the attacks by the autonomous unmanned drones of the neighboring Empire of Giad, the "Legion." But they're only unmanned in name. In reality, they are piloted by the Eighty-sixers, those considered to be less than human and treated as mere tools. Determined to achieve his own mysterious ends, Shin, the captain of Spearhead Squadron, which...