I never read the books so take that into consideration. I liked the first one because of the compelling concept.
I hardly remember the second movie at all.
This movie starts slowly. The action sequences were weak. I don't think the lead character is as good in this movie as the first one.
I don't want to sound all Twilight here but the love triangle is actually very interesting and compelling.
I understand it is meant to be the set up to the big finale. I give it a B-