On April 2, 2013, fans will be able to immerse themselves in every aspect of Marvel’s elite Super Heroes with this limited-edition, 10-Disc "Marvel Cinematic Universe: Phase One Collection." Complete with glowing Tesseract, this exciting collection includes stunning Blu-ray 3D and Blu-ray presentations of Marvel’s "The Avengers," "Captain America: The First Avenger" and "Thor," as well as Blu-ray versions of "Iron Man," "Iron Man 2" and "The Incredible Hulk" in exclusive collectible packaging.
In addition to possessing level 7 security clearance, fans will also be granted special access to S.H.I.E.L.D.’s most confidential archives, including a top-secret Bonus Disc filled with never-before-seen deleted scenes, extended scenes, featurettes and more, including "And Then Shawarma After" featurette. Also featuring exclusive memorabilia (prop reproductions and artifacts) from the motion pictures, the must-own "Marvel’s Cinematic Universe: Phase One – Avengers Assembled Collection" will verify owners status as the world’s greatest authority on the Marvel Super Hero mythos! We've also added new bonus material--an exclusive inside look at "Marvel's Iron Man 3" and other films from Phase Two of the Marvel Cinematic Universe!
As you can see here, not much has changed, just the design of the briefcase has been altered.