The Buzz: Ghandi in Iron Man 3, Sin City Sequel, and Avengers Filming After Premiere Dan Koelsch, April 13, 2012 It’s been a year since our feature The Buzz was last updated, but now we are back and for good this time. The Buzz is a feature in which we round up the Top 3 most-buzzed-about movie/TV stories of the week (in chronological order). Why go through pages of blogs…