I have:

Cobra Commander in Battle Suit with Fred inside from Comic pack
Cobra Commander in blue suit from Comic Pack
Tiger Force Flint
Tiger Force Tunnel Rat
Tiger Force Short Fuze
Wet Suit original
Stalker in green jacket
Recoil
Mirage from Winter Force
BackBlast from Winter Force
Scrap Iron

Want:

Undertow (any version)
Iron Grenadier v2