Although the war on Earth has ended, the war between Transformers is far from over. Red Spider flies back to Cybertron, planning to return to Earth with an army for a decisive battle. The Autobots discover that Megatron's body is missing, turns out it was stolen by Shockwave, and subsequently Megatron is revived, determined to begin his revenge. Meanwhile, Red Spider is also leading reinforcements from Cybertron, and at this time the Autobots have enhanced their own combat capabilities. A great battle is inevitable...