Billionaire Tony Stark, in his Iron Man armor, prevents an attack from a mysterious new foe, but innocent bystanders are killed, including his best friend War Machine, Lt. Colonel James Rhodes. Detained for questioning by S.H.I.E.L.D.

Billionaire Tony Stark, in his Iron Man armor, prevents an attack from a mysterious new foe, but innocent bystanders are killed, including his best friend War Machine, Lt. Colonel James Rhodes. Detained for questioning by S.H.I.E.L.D.