As an ‘Invasion Trooper’, there’s no history to draw on, but as a Shock Trooper, that makes this the second version. Not counting all the repaints and reuses of the Shock Trooper mold for other figures, of course.
From the Pursuit Of Cobra filecard:
Shock Troopers are an elite tactical assault unit in Cobra. They prepare for every situation with gear to subdue the enemy and breach buildings and barricades: “SANBAT” shock-and-neutralize electroshock batons, high-impact ballistic body shields, sledgehammers and gas masks.
MISSION EQUIPMENT:
L.N.W.S. Laser Neutralization Weapon System