*Unicron revives Megatron and possesses his body, with the intention of destroying the core of Cybertron (which is Primus, the creator of the Transformers) to end all life on the planet. To stop Unicron, Optimus Prime recovers the AllSpark, the source of life for all Cybertronians. Optimus succeeds by releasing the Allspark on the planet, restor...Read more