it's not really spoiling anything because you haven't seen it. Knowing what's going to happen doesn't ruin anything in the movie. I don't think so, anyway. But who knows, maybe Mr. Eko gets eaten by a smoke monster in the arctic.
Arctic Smoke Monster - you think YOU have problems?
Did you go through before and after seeing the movie?
Also, I'd like to point out that Assimilation didn't have any spoilers in it - in fact, it was pretty much unrelated to the movie if you ask me. Several years later, I'm *still* not on board with having all the scareactors in the Thing house be military guys.... Since there aren't any of them in the movie and all... It's like if the NoES house was filled with aliens.
Yes I went through before and after seeing the movie. it's cool watching the movie thinking "hey i've seen that in the house!"