Iron Man's friendship with War Machine is strained to the breaking point, and his new team, Force Works, is still working out the kinks. And if that wasn't enough, the Mandarin has located the ancient alien artifact known as the Heart of Darkness.and that spells trouble for Tony Stark! Determined to end the age of technology' and return the world to a Feudal state, the Mandarin and his all-new Avatars begin an all-out assault on Hong Kong!'