The World premiere of 'The Avengers' held on Wednesday was a star studded affair. But one man who stole all the thunder was Iron Man Robert Downey Jr. Have a look.Regular Facebook Updates http://www.facebook.com/RajshriDotCom. Twitter Updates https://twitter.com/#!/RajshriDotCom. Watch more http://www.youtube.com/HollywoodNOW for the latest Hollywood News.