- Script
- Stan Lee
- Pencils
- Jack Kirby
- Inks
- Dick Ayers
- Colors
- Stan Goldberg
- Letters
- Artie Simek
- Editing
- Stan Lee
- Job Number
- X-72
- Genre
- superhero
- Characters
- The Fantastic Four [Mr. Fantastic [Reed Richards]; the Invisible Girl [Sue Storm]; the Human Torch [Johnny Storm]; the Thing [Ben Grimm]] (origin retelling); Willie Lumpkin (introduction]; the Skrulls (flashback)
- Synopsis
- Willie Lumpkin brings to the Fantastic Four their huge mailbag. It makes them think about their youths and their origin.
- Reprints
This story contains a defense of Sue Storm's membership by Reed which appears to be a justification of her membership. It will be another year before Sue is given additional forcefield powers to "beef up" her abilities.
- Script
- Stan Lee
- Pencils
- Jack Kirby
- Inks
- Dick Ayers
- Colors
- Stan Goldberg
- Letters
- Artie Simek
- Job Number
- X-75
- Genre
- superhero
- Characters
- Namor the Sub-Mariner
- Reprints
Pin-up of Namor and his undersea headquarters.
- Script
- Stan Lee
- Pencils
- Jack Kirby
- Inks
- Steve Ditko
- Colors
- ?
- Letters
- Artie Simek
- Editing
- Stan Lee
- First Line of Dialogue or Text
- Meanwhile, in the American ship, safely shielded against the mysterious cosmic rays...
- Genre
- superhero
- Characters
- The Fantastic Four [the Invisible Girl [Sue Storm]; the Thing [Ben Grimm]; the Human Torch [Johnny Storm]; Mr. Fantastic [Reed Richards]]; the Red Ghost [Ivan Kragoff]; the Red Ghost super-apes; the Watcher [Uatu] (introduction)
- Synopsis
- In space, the Fantastic Four's ship crosses that of Ivan Kragoff and they learn of the powers the apes have acquired before landing on the moon.
- Reprints
baboon; gorilla; orangutan; Blue Area; ancient civilization
- Script
- Stan Lee
- Pencils
- Jack Kirby
- Inks
- Steve Ditko
- Colors
- Stan Goldberg
- Letters
- Artie Simek
- First Line of Dialogue or Text
- At last we meet again!!
- Genre
- superhero
- Characters
- The Fantastic Four [the Invisible Girl [Sue Storm]; the Human Torch [Johnny Storm]; the Thing [Ben Grimm]; Mr. Fantastic [Reed Richards]]; Namor the Sub-Mariner
- Reprints
Corner symbol box invented by Steve Ditko (as revealed in the letters page of Fantastic Four # 19) begins with this cover.
- Script
- Stan Lee
- Pencils
- Jack Kirby
- Inks
- Sol Brodsky
- Colors
- Stan Goldberg
- Letters
- Artie Simek
- Genre
- superhero
- Characters
- Mr. Fantastic
- Reprints
Page explaining Reed Richards powers.
- Script
- Stan Lee
- Pencils
- Jack Kirby
- Inks
- Steve Ditko
- Colors
- Stan Goldberg
- Letters
- Ray Holloway
- Editing
- Stan Lee
- Genre
- superhero
- Characters
- Spider-Man [Peter Parker]; Fantastic Four [Mister Fantastic [Reed Richards]; Invisible Girl [Sue Storm]; Thing [Ben Grimm]; Human Torch [Johnny Storm]]
- Synopsis
- Spider-Man visits the Fantastic Four and fights them to prove he can become one of their members.
- Reprints
This is an expanded retelling of a part of the story from Amazing Spider-Man #1 (Spider-Man vs. the Chameleon, pgs 2-4).
- Script
- Stan Lee
- Pencils
- Jack Kirby; Steve Ditko (see notes)
- Inks
- Dick Ayers; Steve Ditko (see notes)
- Colors
- Stan Goldberg
- Letters
- Artie Simek
- Job Number
- X-419
- First Line of Dialogue or Text
- What's going on, Sue?
- Genre
- superhero
- Characters
- The Fantastic Four [Mr. Fantastic [Reed Richards]; the Invisible Girl [Sue Storm]; the Thing [Ben Grimm]; the Human Torch [Johnny Storm]]; the Molecule Man (introduction, origin); the Watcher [Uatu]; The Yancy Street Gang; Alicia Masters
- Synopsis
- The Watcher asks the Fantastic Four to stop a new menace who could destroy the whole universe: the Molecule Man.
- Reprints
- Keywords
- Acme Atomics Corp.; ephemeral sphere; Manhattan; meteor; projecto-image
The third panel on page 17 was redrawn by Steve Ditko.