Originally Posted by droidwarrior
Too late, if they tell the story of being shocked and surprised at the how the world has changed, it'll just lead to the question "why wasn't he shocked before?"
I don't care if he shot the scenes, they weren't in the movie.
It's not too late, not even a little bit. They didn't even scratch the surface of his acclamation to the modern world in Avengers. If you'd rather assume it's a lost cause, that's your call, but I think it's a silly reason not to go.