Iron Maiden's Bruce Dickinson Joins Green Day's Billie Joe Armstrong at Comic-Con

A surprise event promoting the Green Day road trip film Nimrods took place at San Diego Comic-Con, where Iron Maiden frontman Bruce Dickinson joined Billie Joe Armstrong on stage. The film recently received its official trailer and a new Green Day song, "I'm Never Gonna R.I.P.," written for the soundtrack. Nimrods has been in development for some time and is now clearly approaching release.