(W) Kieron Gillen (A) Joe Bennett, Scott Hanna (CA) Paul Rivoche. 'IRON METROPOLITAN' PART FOUR! . RED PERIL investigates the Stark Boy's Troy - and beneath the tech and the bombings, finds the truth about the city. . TONY investigates the Mandarins, and finds a meeting between THE EXILE, RED PERIL and... LORD MANDARIN. . Arno's last day in the Iron Lung.