In the final issue of M.A.S.K., Matt Trakker loses the trust of his friends and teammates, causing the group to disband. With mounting threats on the horizon, Mobile Armored Strike Kommand is no longer on the front lines, plunging them all into an uncertain future.

It all comes to a head for G.I. Joe! Can Roadblock and his team escape the underground in time? And is Scarlett prepared for all hell to break loose?