Thor watches Tony interact with the child, and he smiles warmly at the sight of it. He never imagined that Tony would be good with children; the little he saw of Tony and children were in Barton's living room, and he didn't stick around long enough to see their interaction happen -- if it ever did.

Tony's question draws a laugh out of Thor. He's not sure if he's serious, but he responds anyway. "Do you think I have the time for children of my own?"

Thor continues, this time giving him a proper answer. "I don't. But I would with the right person at the right time."