Iron Man 2 Suffers from Sequel Syndrome by Not Developing Tony Stark’s Character

For two movies, there have only been the barest hints of a larger universe within the MCU films, easter eggs if you will, mostly in the special scenes after the credits that Marvel made standard after The Incredible Hulk, where there is no end credit scene. (Or if there is, it was moved to the front of the credits for the DVD version I saw). That comes to an end in Iron Man 2.