A Hasbro comic book event! A new era of peace is dawning as Earth formally joins the Cybertronian Council of Worlds. That is… until Baron Ironblood joins Destro, Storm Shadow and other nefarious villains in a terrorist attack on Iacon! As chaos takes hold on Cybertron, it will be left to Scarlett and the rest of G.I. Joe on Earth to discover the true purpose behind the attack before both worlds descend into all-out-war!