One of the most argued elements is Harley Keener, the young boy that Tony Stark helps in Rose Hill, Tennessee after he gets out of a tight scrape.
“I like to think that they and that Tony was still taking care of him, because for Harley that bond was super close and he was his kind of his only father figure.
… Because they were all going to be in that shot, we spent days setting that shot up.
So I think he has grown up so much that, you know, it’s a deep Easter egg.