Tony/Sharon
An alternate universe? Plopped into a room? So, this was a thing that just sort of... happened here. There were others who had been transported into this alternate universe like she just had?
Sharon had experienced a fair deal of crazy in her time. Being loosely related to people like Bruce Banner, Thor, and Steve Rogers made her accepting of all kinds of crazy things, but... this really took the cake. She was starting to wonder if she'd gone mad. Not dead!Tony Stark was standing in front of her, explaining that he and Natasha Romanoff were both alive here?
"This is... a lot. Let me see if I have it all straight. I'm in an alternate universe where you and Romanoff are still alive. And Steve Rogers is here somewhere?" She paused for a moment. "...Thanos?"