Avengers blu-ray

The third-highest-grossing film of all time is now on DVD and Blu-ray.  How does it stack up?  The film is still crazy fun after several viewings, and the enjoyment is deepened by the special features.

Director/writer Joss Whedon is great at DVD commentary.  His commentary tracks on Buffy, Angel, Firefly, etc. have always been fascinating.  Too few peop…