"If a Man Be Mad!"
Tony Stark's black sheep cousin Morgan is in gambling debt to Count Nefaria, so agrees to help the Count in a scheme devised to make the world doubt Stark's sanity. Senator Byrd is waiting for any excuse to take contracts away from Stark, whom he considers a playboy.
"The Sentinel and the Spy!"
Captain America snaps out of his brainwashing with the help of Bucky just in time to foil the assassination attempt. The Red Skull's schemes don't stop there, though. Now he attempts to steal the Americans' newest experimental weapon, the Vanisher.
Reprinted in Avengers Annual #3.