After the event, holding up in an underground bunker at a non-disclosed location are G.I.Joes, Roadblock, his cousin Heavy Duty, Jinx and Dusty. After laying low for a few weeks their bunker is infiltrated by a hoard of B.A.Ts, in all the confusion Heavy Duty grabs an experimental weapon Mainframe had been working on in one of his labs. He holds off the hoard but tells the others to make way to the back door of the bunker as the B.A.Ts continue towards him bullet ridden and determined for a kill. Just when Heavy Duty realizes that escape for himself isn't an option he closes the door swiftly as his cousin Roadblock makes his exit behind Jinx and Dusty. Roadblock quickly turns around once he realizes his cousin is still inside but it's too late.