Jon Favreau Explains Further Why He Leaves 'Iron Man 3'

 Jon Favreau turned down directing duties on "Iron Man 3" after deciding he wanted to work on a movie which "isn't loaded with built-in expectations". Favreau helped create a hugely successful film franchise, starring Robert Downey Jr. as the comic book superhero, by directing the first two installments and bringing in profits of more than $1 billion. It was announced earlier this week that