RTS G2 Optimus Prime’s Alternate Head Revealed

{mosimage} Once more the instruction sheet reveals the alternate head for a new Transformers figure! Code of Walky has posted a photo that he took of Reveal the Shield "G2" Optimus Prime's instruction sheet, which depicts the toy with a strange head. There's a crown…and a frown…and a hollow nose cavity?

Guesses range from Motormaster to Longrack to Cybertron Menasor…But what do you think? Sound off here in Code of Walky's thread!