Siege

Norman Osborn has seized control of America's security, replacing S.H.I.E.L.D. with his sinister organisation, H.A.M.M.E.R. His team of Thunderbolts now pose as the Avengers deceiving the world with their false heroics. As the former Green Goblin's grip on power tightens, his sanity slips further into madness. Deterined to crush all resistance, Osborn sets his sights on the legendary city of Asgard - and a showdown that will shake the very foundations of the Marvel Universe.