I was trying to remember the term used when the movie takes some of the book or story points and runs wild with them. Literary license i think?

It is kind of like all the kids who say they don't want to watch Harry Potter because they prefer to keep their imagines intact instead of seeing what someone else has preceived.

I have to say I loved the cage which was molded to fit the sub on all fours... I might just have to fantasize about that one for awhile