Behold The New Optimus Prime In 'Transformers: Age Of Extinction'

Although the new film Transformers: Age of Extinction is a sequel, it's working on the reboot plane as well.  And as with all reboot-sequels, some of the characters get a slight re-design.  For example: the new Optimus Prime in this fourth Transformers film.

Not a huge difference, so oh well.  Hell, maybe it'll even be explained...