Care to see what Marvel has in store for Avengers 2: Age of Ultron? You know, besides this awesome concept art of Hulk fighting Iron Man in his Hulkbuster armor? Plus Ant-Man, Guardians of the Galaxy, and the first 11 minutes of Captain America: The Winter Soldier!
There really wasn't much new in Marvel's Assembling A Universe special; it was a bit of history of the studio, how the films all fit together, a preview of the upcoming Phase 2 movie, and more than a little self-congratulations. But it did provide the outstanding gif above, as well as concept art of Scarlet Witch and Quicksilver:
First note: They look pretty great. Second note: HEY FOX. SEE? IT WASN'T THAT HARD. Third: Does Quicksilver kind of look like Aaron Paul to you guys? Fourth: OH MY GOD WE'RE APPARENTLY GOING TO GET A HULK-VS.-HULKBUSTER FIGHT AAAAAARRRRRGGGH. Here's a bit more: