Two of the latest JP exclusive Arms Micron (TFPrime) toys appear to have been released, and pictures are now out for the rest of us to check out.

ToysRUs exclusive Battle Shield (Voyager) Optimus Prime (with 4 Microns - 3 combine to form a shield - plus a cardboard trailer)

Terrorcon Bumblebee (a Decepticon, with Zori from Arms Micron Soundwave)
Plus, a translated bio that explains the evil Bumblebee.