TF Wiki have a listing for Transformers Prime Arms Micron Smokescreen under the number AM-26 with a release date of November 2012.
Smokescreen is a repaint and retooling of Knock Out, originally seen at the Tokyo Toy Fair in prototype form. He will come with an unknown Micron Arm
Transformers Prime
Smokescreen (Deluxe, 11-24-2012)
ID number: AM-26
Accessories: Arms Micron
A redeco (and potential retooling) of Knock Out, Smokescreen is (currently) exclusive to the TakaraTomy Prime toyline. He transforms into a low-riding sports car. As part of the Arms Micron gimmick, he has extra 5mm post-holes in both modes, allowing him to use the weapon-bots. He comes with a (currently unknown and unnamed) Arms Micron partner.
Online retailer Archonia also have a placeholder for the toy
| Discuss: 
