Transformers: War for Cybertron – Earthrise teaser trailer introduces a new faction!!

With the Allspark gone, Megatron is forced to confront the harsh reality that his Decepticons are trapped on a dying Cybertron. Meanwhile, lost in the darkest reaches of space, Optimus Prime and his team embark on a desperate mission, unexpectedly running into – the spacefaring Mercenaries.