As the US Government create a force, known as Ultron, The Avengers are told they are not needed any longer. But when Ultron turns against Humanity, it's time for The Avengers to assemble yet again for their most dangerous challenge ever.

Two very different men join forces to unravel the mystery of a "Stargate," an ancient human transmitter, discovered in the Egyptian desert. Once activated, it enables scientists and the military to travel light years from earth, to a strange and alien world, where the visitors must overcome an enigmatic ruler.