Marvel's Avengers: The Extinction Key

The official prequel to Marvels Avengers from Marvel, Crystal Dynamics, Eidos Montreal, and Square Enix, with an exclusive adventure that leads into the game itself. The official prequel to the blockbuster action video game Marvels Avengers, written by bestselling author Greg Keyes. The novel leads into the game as an ancient organization called the Zodiac seeks to acquire an infinitely powerful weaponthe Zodiac Key. Captain America, Iron Man, Thor, Black Widow, and the Hulk must stop them before they use the key to warp the very fabric of time and space.