As "CHAOS" comes to a conclusion, Galvatron has merged the Heart of Darkness (now believed to be a direct extension of D-Void) with Vector Sigma, causing Cybertron to become the portal to the Dead Universe. Meantime, Megatron fights D-Void head on. Optimus Prime and Rodimus reach a climatic decision in order to prevent the rise of the Dead Universe: open the Matrix of Leadership!
*CHAOS part 4 brings events to a devastating head: Megatron confronts his most formidable opponent yet. The Autobots scramble to keep out of the way of the Decepti-god's unstoppable rampage and Optimus Prime faces off against Galvatron, in a battle where the fate of the whole planet rests on the outcome! CHAOS concludes here and TRANSFORMERS will never be the same again!
*Source: idwpublishing.com