Re: Why no sequal to JC The Thing.
As others have said, there's no need.
Personally, I think that this movie is the best example of a paranoia flick that you're ever likely to find. In those terms, it's an absolute masterpiece of film-making. IMO.
I am a Ranger. We walk in the dark places no others will enter. We stand on the bridge and no one may pass. We live for the One, we die for the One.