The model for a reformatted Prime has surfaced on Tformers.com, which depicts an Optimus similar to the toy we received these past few months. (though a different face)

Reformatted Beast Hunters Optimus Prime by Bidoofdude, on Flickr

Hopefully this means that Smokey will get some time as Prime, but it looks like Optimus will be reformatted to become leader again, with what looks like the star sabre.