G.I. Joe (G.I. Joe Vol. 5 #7)

G.I. Joe's subterranean mission takes a turn for the worse after the team is attacked by one of their own! Meanwhile, back in their underground base, Scarlett's command is challenged and a long-simmering rivalry boils to a head! Plus: Monsters, explosions, jokes and more in The Crown Jewel of the Hasbro universe!