"Ultimo Lives!" featuring the Invincible Iron Man.
Tony Stark is at the mercy of the Mandarin as he launches his latest creation, the colossal killer android, Ultimo. The Communist Chinese want the Mandarin to stand down, and so are first to feel Ultimo's might. Luckily, this gives Stark a chance to recover his armor, and the fight is on! Unknown to Stark, back home, the furious Senator Byrd files contempt charges against him and shuts down Stark Industries.
By Lee and Austin/Michaels. 12 pages.
Reprinted in Marvel Super-Heroes (1967) #30.
"If a Hostage Should Die!" featuring Captain America.
In the aftermath of meeting a woman who looks just like his lost WWII love, Steve Rogers plays back in his mind the tragic events of the last time he saw Peggy Carter (Sharon's older sister). She was a freedom fighter in Paris who met Cap in combat, where they fell in love. A grenade blast gave her amnesia, and Cap could never find a trace of her.
First appearance of Peggy Carter.
By Lee and Kirby/Romita/Ray. 10 pages.