Money, violence, sex, computer graphics, scatalogical humor, racism, robots designed to be rednecks but given European accents, and maybe another sequel to the saga... what's not to love? TF m1, Revenge of the Fallen, Dark of the Moon and now Age of Extinction.
This means Meg/Galvatron wakes up,becomes aware,starts talking and probably kills the humans who turned him into a temporary remote controlled puppet. That toyfair Kreo toy revealed megatron was destroying the human robot building factory.
Spoiler
I'm going to safely guess,Megatron also takes control of all of the other human built transformers and uses them as a army against his enemies. It's probably easy for megatron to take control of them since they probably were bio-engineered from his body tech,possible parts &/0r spark shards.