Geeky·Posted on Apr 23, 2014Mark Ruffalo And RDJ's Science Bros Selfie Will Light Up Your WorldFresh from the set of Avengers: Age of Ultron.by Krutika MallikarjunaBuzzFeed StaffLinkFacebookPinterestTwitterMail "bros" View this photo on Instagram It's so heart-warming to see that these blueberries of friendship are still going strong. Tap to play GIF Tap to play GIF