But that is not all it will be released with!
It includes a sneak peak into The Avengers!
Hey, I was going to buy it regardless, this makes it all the better.
Here are the full details via IGN:
The Thor three-disc Ultimate Set includes the film on Blu-ray in high-definition 3D and high-definition 2D, as well as on standard-definition DVD with a digital copy. The two-disc Blu-ray/DVD combo pack includes a high-definition presentation of the film, plus a standard-definition presentation with a digital copy. Both sets come fully loaded with over 80 minutes of immersive bonus materials including an exclusive special feature that goes deeper into the Marvel Universe, a sneak peek into Marvel's The Avengers, an unprecedented look inside the world of director Kenneth Branagh and much more.