Extras include a gag reel, a first for a Marvel Studios film, the chance to hear from the cast and Joss Whedon on their experiences in bringing these larger than life characters to the big screen, a behind-the- scenes look at the groundbreaking visual effects and stunning cinematography, the creation of S.H.

ENGADGET: Marvel's The Avengers Blu-ray hits September 25th, iOS second screen app this month (video)

When you look carefully at each costume, they might look different to how they appeared on the big screen.

BBC: Hollywood comes to London��s V&A

This could again be excused by the fact the Arc's intended for a casual audience (and the videos do indeed look quite spectacular on the phone's own display), but there's an HDTV-loving HDMI output among this phone's ports and you won't be best pleased with the results once you decide to look at them on an actual big screen television.

ENGADGET: Sony Ericsson Xperia Arc review