Tales of Suspense, Vol. 1

If This Guilt Be Mine - Iron Man is dying, but he musters enough energy to call Pepper Potts. She arrives in time to save him, but she also informs him that Happy is about to be exposed to an experimental procedure that may have dangerous side effects.

The Final Sleep - The third sleeper has connected itself to the first two, leaving Cap with but one alternative: to risk his life destroying the machine before the machine destroys all life on the planet.