In order to protect the world from terrible threats, Steve Rogers formed a team of clandestine operations: the Secret Avengers. The former Captain America took the name of Super Soldier and joined forces with War Machine, Black Widow, Moon Knight, Ant-Man, Fauve, Valkyrie, Nova and Sharon Carter to face the mysterious Shadow Council.After a mission on the planet Mars, all of them were going to compete with the Hai-Dai who planned to assassinate Shang-Chi, the master of kung fu.