Fan Casting Iron Man 5

After Galactus is defeated, and Iron Man and War Machine have taken a short holiday, go back to New York, which is taken over by Justin Hammer. He is back and he is more dangerous than ever be. When Tony returns nobody remembers him. How did this happen? Is Justin Hammer responsible for this? M.O.D.O.K. is also back, he now works together with Crimson Dynamo, which is alive for an unknown reason. Iron Man has to stop all this enemies by his own.