Who will be the bad guy in the new transformers 3 movie?

I just read about it on the Yahoo! homepage. Some of my friends said it will be the planet eater Unicron, and some said Megatron will now be Galvatron, or are those just rumors?Who will be the bad guy in the new transformers 3 movie?Those are just rumors.It's been confirmed from many sources that, along with Megatron and the rest of the Decepticons, Shockwave is supposed to be the new villain.Who will be the bad guy in the new transformers 3 movie?Shockwave.

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