"Those Who Change"
A group of scientists prove that time travel to the past is possible, but their colleague warns them of tampering with the course of history. They ignore him and send a recording device back to the dawn of life, but their device accidentally kills the creature who was mankind's genetic forefather, and the consequences ripple through time. 5 pages.
Reprinted in Fantasy Masterpieces (1966) #1.
"The Mark of the Toad"
5 pages.
"No Sign of Life!"
3 pages. Reprinted in Creatures on the Loose #28 and Curse of the Weird #2.
"Man on a Tightrope!"
5 pages.
"Mister Universe!"
5 pages.