Joss Whedon on 'Iron Man,' 'Avengers 2' and ABC's 'S.H.I.E.L.D.' Pilot

Writer and director of The Avengers and its upcoming sequel Joss Whedon shares why Robert Downey Jr.'s Iron Man character is relatable and likable. He also teases a few new characters in The Avengers 2, due out in 2015. On Robert Downey Jr.'s character, he said: "He is just a smart guy who built something, nobody said you have a great destiny, he had to figure that out. He did everything wrong for a really long time so he is relatable on a lot of levels."