This was the first published Marvel Annual, which was a collection of pre-hero reprints.
"I Unleashed Shagg Upon the World!"
An archeologist unwittingly pulls a switch he finds hidden inside an Egyption Sphinx, which awakens the sleeping alien, Shagg from the 3rd Galaxy. The scientist manages to fix his error, and is left wondering if what took place was real or his imagination.
Story drawn by Jack Kirby and inked by Dick Ayers; 7 pages (T-724).
Reprinted from Journey Into Mystery (1952) #59.
"I Come From the Shadow World"
An alien has come to scout out Earthling for their weaknesses prior to invasion. He is made of shadow, and seems untouchable until a common electrician devises a plan to eliminate the threat.
Story illustrated by Steve Ditko; 5 pages (T-474).
Reprinted from Tales of Suspense (1959) #7.
"He Waits for Us in the Glacier!"
An atomic sub, cruising the waters of the arctic, tests its device that melts passage through glaciers and inadvertently disturbs the sleep of an ancient alien that communicates to the crew telepathically. The creature has waited to see if humankind will progress or ultimately kill each other.
Story illustrated by Don Heck; 5 pages.
Reprinted from Tales to Astonish (1959) #7.
"I Became a...Human Bomb!"
Story illustrated by Paul Reinman; 4 pages.
Reprinted from Tales to Astonish (1959) #6.
"Grottu! King of Insects!"
Story drawn by Jack Kirby, and inked by Bill Everett; 6 pages (T-547).
First appearance of Ulysses Bloodstone.
Reprinted from Strange Tales (1951) #73.
"I Know the Secret of the Poltergeist!"
An investigator of the supernatural has made a career out of exposing alleged incidents as either coincidence or fraud. Now, a young couple have hired him to look into their haunted house. He dispels their worries, and them retires home, his job complete, and reveals that he, himself, is a poltergeist.
Story illustrated by Steve Ditko; 6 pages (T-84).
Reprinted from Tales to Astonish (1959) #1.
"I Saw the Serpent That Saved the World!"
Story illustrated by Heck; 5 pages.
Reprinted from Journey Into Mystery (1952) #55.
"The Stranger in Space!" by Forte; 4 pages. Reprinted from Journey Into Mystery (1952) #53.
"I Saw Diablo! The Demon from the Fifth Dimension!"
Story drawn by Jack Kirby, inked by Dick Ayers; 7 pages.
Reprinted from Tales of Suspense (1959) #9.
"I Found the Giant in the Sky!"
Story illustrated by Steve Ditko; 5 pages.
Reprinted from Journey Into Mystery (1952) #55.
"Beware!! The Ghosts Surround Me!!"
Story illustrated by Don Heck; 6 pages.
Reprinted from Strange Tales (1951) #76.
"I Saw the Invasion of the Stone Men" by Ditko; 5 pages.
Reprinted from Tales to Astonish (1959) #6.
"A Martian Walks Among Us!"
Story drawn by Jack Kirby, inked by Dick Ayers; 7 pages.
Reprinted from Strange Tales (1951) #78.