Running around with children in a park wasn't exactly how Pietro expected to see Stark, and it stirred conflicted feelings in him he didn't like, watching the scene from a far. Stark was supposed to the war monger, just like his father. This was- this wasn't what he expected.
Of course, it was probably all for show.
"You mind?" he asked, approaching a bench with a good view and gesturing to the empty seat beside the man. It was only after he'd sat that he frowned and did a double take. Was this another one of them?