Written by MARK MILLAR. Pencils and Cover by STEVE MCNIVEN. Variant & Sketch Variant Covers by MICHAEL TURNER. Captain America's depleted forces have determined the secret of File 42, setting them on a last-ditch collision course with Iron Man and the Pro-Registration heroes! It's the beginning the battle of the century - a conflict in which virtually every superhuman on Earth will be forced to choose a side to fight on! 32 PGS