Thor

 Thor [PG-13]
2011 Paramount
Directed by Kenneth Branagh

Grade: A-
Up-graded from B

+1: Battle scenes (a.k.a. Headstrong Thor (Chris Hemsworth) likes smashing things).
Par: Character development and growth.
+1: Goodies for comics fans (a.k.a. surprise characters and props).
-1: Slowish and sparsely populated middle parts.
+1: Fun

Bonus scene runs after the credits.