"When Titans Clash!"
While Tony Stark is off supervising the roll-out of a new missile system, a petty thief breaks into his office and takes his attache that contains his armor. With his secret compromised, all Tony can do is don his old golden armor and track down the thief wearing the modern suit.
"The Red Skull Strikes!"
First Silver Age appearance of the Red Skull. A WWII tale of the Cap's first outing against the Red Skull, who has infiltrated the States and has a hit list that includes Cap and Bucky.