There's no predicting the MPAA. They decide what ratings movies will get based on a set of criteria and their review of the film. Their ratings can often be arbitrary, particularly if the movie contains racy or controversial material, even if they adhere to the movie rating standards.NightCrawler said:. It seems now that Universal is backing out because of it being a R-rated 150M sci-fi horror film. Del Toro is still confident the project will eventually move forward at some point.