Siege

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"The villainous Norman Osborn was the unlikely hero of Earth's victory over the alien Skrulls in the Secret Invasion, and he has used his newfound political cache to set himself up as the head of H.A.M.M.E.R., the new national peacekeeping force. Driven underground by the Superhuman Registration Act, the Avengers must battle Osborn behind the scenes."--P. [4] of cover