Iron Man, Vol. 1 #110 (1978)

Sojourners Through Space!
Journeying into mystery, Iron Man and Jack of Hearts find themselves transported from the moon, to the heart of one of the Colonizer's massive ships. Even as the Colonizers prepare to take another world, they find enemies appearing in their midst. Iron Man and Jack are quickly overcome though, and find themselves at the Colonizer's mercy. Back on the moon, Vanguard, Darkstar and the Crimson Dynamo attempt to restore contact with Russia. Iron Man and Jack of Hearts have just disappeared into a mysterious cosmic egg, and they fear it may bode a disastrous fate for the Earth.
Release Date: 1978