The end of the universe is nigh! The Guardians have tracked the Cosmic Seed to Earth but with Ronan and Nebula hot on their heels, our heroes are in for the battle of a lifetime. Just when things were looking up for the Guardians Thanos makes his move, taking control of the Cosmic Seed and turning the Earth into his personal planetary weapon of mass destruction! But when Ronans plan is simply to destroy the Earth along with Thanos, its up to Star Lord and the Guardians to save the day!