I t’s already proving quite the year for Iron Maiden . Not only have the east London metalheads landed a long overdue induction into the Rock & Roll Hall Of Fame and their biggest ever UK headline show in the form of a two-day mega-fest at Knebworth, they’ve also bagged a much hyped global cinema release for new documentary Burning Ambition . READ MORE: Iron Maiden mascot Eddie praised by Metallica, Public Enemy and more in exclusive doc clip Dubbed a film “for the fans”, this thrilling 106-minute romp gallops through the rock titans’ five decades together – from early pub beginnings during the 1970s punk explosion right through to current ‘Run For Your Lives’ world tour. And it’s all told through the eyes of past and present members, super-stans and famous talking heads such as Lars Ulrich from Metallica , Public Enemy ’s Chuck D and Hollywood movie star Javier Bardem.…