Not to be confused with the Magstrike version of the Stark Industries N.R.F. 425 Blaster. For information on the blaster's standard features, see Firefly REV-8. The Stark Industries N.R.F. 425 Blaster is a promotional Nerf blaster that was released in 2008 to promote the Iron Man film. It was released outside of the United States in the United Kingdom, Australia, and Canada. It comes packaged with eight Micro Darts.