Tales of Suspense, Vol. 1

Death Duel for the Life of Happy Hogan - Tony faces off against the Mandarin, proclaiming himself to be the real Iron Man. Both have upgraded their weaponry, and the Mandarin has also arranged for a missile to strike a US military target, starting a war between East and West.

The Secret - Captain America infiltrates an enemy installation to help an undercover S.H.I.E.L.D. agent destroy the Z-ray, but that agent may not be up to the task.