Originally Posted by Chris B
Looking at the Superbowl trailer, Stark appears to be wearing the same outfit that he is seen in during the mansion attack. So I'm leaning towards Pepper not being the one wearing the suit who gets dragged to the bottom of the ocean.
Yes. And wasn't Tony dragging that very same armor through the snow? He was also wearing a battered version of it in the Air Force One rescue scene. That weighs against the idea that Pepper was the one who sunk in it, or was killed in it, for that matter.