Japanese Version:
The Japanese version of this figure featured the sum total number of Blitzwing's tech spec imprinted on his back as opposed to the ID number of the American version.
Red Variation:
Early releases of the Decepticon decoys were available in the same color red as their Autobot counterparts.
This figure was available in 1986-1987, packaged with any one of the Aerialbots, Stunticons, Protectobots, Combaticons, Technobots, Terrorcons, or Throttlebots.
This figure was available in as part of the Destron Hero Collection 22 in Japan in 1986. Additionally, the decoy figures were sold in a multitude of colors via vending machines in Japan; see this article at TFWiki for more details.