"Hanna" (PG-13, 111 minutes). Hanna (Saoirse Ronan) has been home-schooled in isolation in a cottage in the forest, taught advanced and ruthless killing skills as a means of self-defense by father (Eric Bana), fears for her safety. With good reason: A ruthless CIA officer (Cate Blanchett) directs a manhunt. This is a stylish and superior action thriller, meshing Grimm's fairytale elements with spy movie setups.