Marvel Comics has announced a new digital first comic, Iron Man: Fatal Frontier by Kieron Gillen, Al Ewing & Lan Medina. Official Press Release New York, NY—July 9th, 2013—Armor up for an Iron Man epic like no other in Iron Man: Fatal Frontier—the latest game-changing Infinite Comic hitting digital devices this October! Following Wolverine: Japan’s Most Wanted,Iron Man:…