The invasion fleet arrives. The assault on the Terrordrome begins. And the JOES and the DECEPTICON S finally face the full savage power of the COBRA-DECEPTICON alliance. While the DECEPTICON dreadnaught BRUTICUS decimates the unprepared fleet, COBRA COMMANDER and MEGATRON lead a vicious counterstrike against the JOES and the AUTOBOTS. And in the shadows of the Terrordrome's invulnerable walls...Heroes fall. Characters who defined the concepts of 'hero' and 'villain' for generations redefine them with grit, heart, and adrenaline in this epic 6-issue miniseries.