We know that he will appear in Captain America: The First Avenger, but in what day and age will we see him in? Even the poor in the horrific failed test, whose spine audibly snaps, is explicitly mentioned to have survived though not recovered.
When he learns that Vanko is still alive, he places the new element in his arc reactor and ends his palladium dependency.
Johansson dyed her hair red before she landed the part, hoping that it would help convince Favreau that she was right for the role.
That would be so dramatic.
Ivan: The truth: all I have to do is sit here and watch as the world will consume you.
Coulson: If you attempt to leave or play any games, I will tase you and watch while you drool into the carpet.