With the upcoming release of Thor: The Dark World to Blu-ray, Disney sent over a few clips to share. There are two deleted scenes and one short excerpt from a featurette on cast Tom Hiddleston as Loki.
THOR: THE DARK WORLD releases in 3D and HD Digital February 4th, 2014 and on 3D Combo Pack (3D Blu-ray™, 2D Blu-ray, Digital Copy), Single-Disc Blu-ray, DVD and On Demand February 25th, 2014.
Bonus Clip: Tom Auditions for Thor
Bonus Clip: Loki The Avenger (Deleted Scene)
Bonus Clip: Thor and Frigga Discuss Loki (Deleted Scene)