"Return of the Martian!" (T-651) by Kirby/Ayers. x pages.
Zetora had been captured after the failed attempt to infiltrate our planet (see Journey Into Mystery #57), but frees himself and takes a more direct approach at his attempt to conquer Earth, but falls prey to Earth bacteria.
"I Found Rro...The Thing From the Bottomless Pit!" (T-648) by Kirby & Heck. 7 pages.
Kirby art on splash panel only.
Mark Garnett is hired by the government to engineer an pit to the center of the Earth. The project hits a snag when it encounters the lair of Rro, a fire-breathing dragon. The military mistake it for a senseless beast, but Rro brings an important message for mankind.
"Zero of Time" (9689) 2 pages, text with spot illustration.
"They Called Me a Witch!" (T-652) by Kirby/Sinnott. 5 pages.
Amanda Dalton comes to 18th century Salem, and soon catches the fancy of John Redmond. She is soon accused of witchcraft by a jealous rival. She is saved by John, but leaves town, as her accusers were ironically on the mark with their accusations.
"Beware!!! Of the Little Toy Men!!" (T-677) by Heck. 5 pages.
A man is anguished that he must somehow convince the world of a threat that nobody will believe. A stranger has been giving away mechanical toy men in the park, but the toys are really agents of an alien invasion.
Reprinted in Marvel Super-Heroes (Vol 2) #29.