Robert Downey Jr. has had an incredible career resurrection. It didn’t seem like that long ago he was totally gone on drugs, and it looked pretty likely we were going to lose him.
There’s the old saying that every ride has to end, and for many movies, bands and TV shows, it’s always a good idea to go out while you’re still on top.
It’s one thing making sure all the superheroes are locked up for a franchise, but the writers and directors are important too, and Joss Whedon is absolutely a key creative force for The Avengers.