Originally Posted by Mr. Dent
We already know they haven't contacted Mackie about being in the film, when they would have by now if Falcon were meant to have a role in it. Joss already said Ant-Man, and by extension Wasp, won't be in it. He's not talking out of his ass just because you want him to. He wasn't in the first movie for a reason, and Joss wasn't lying then. And for now it's unlikely Vision will be in the movie because Joss said they're doing away with the family tree stuff.
So, that's how I know none of those characters will be in the movie.
Whedon has a hard-on for the 70s Avengers era. We're definitely seeing Vision, Marvel will try to keep it a secret though.