- Script:
- Stan Lee; Jack Kirby
- Pencils:
- Jack Kirby
- Inks:
- Chic Stone
- Colors:
- ?
- Letters:
- Sam Rosen
- Editing:
- Stan Lee
- Genre:
- superhero
- Characters:
- Sub-Mariner; Evil Mutants; X-Men; Prof X
- Reprinted:
- from X-Men (Marvel, 1963 series) #6
- Pencils:
- Jack Kirby
- Inks:
- Chic Stone?
- Colors:
- ?
- Letters:
- Irving Watanabe
- Genre:
- superhero
- Characters:
- X-Men, Fantastic Four, Mad Thinker's Android
- Reprinted:
- from Fantastic Four (Marvel, 1961 series) #28
This sequence added 2005 by Steven Tice.
- Script:
- Arnold Drake
- Pencils:
- Werner Roth
- Inks:
- John Verpoorten
- Colors:
- Irving Watanabe
- Letters:
- ?
- Editing:
- Stan Lee
- Genre:
- superhero
- Characters:
- Beast
- Reprinted:
- from X-Men (Marvel, 1963 series) #48
Explanation of the Beast's powers
- Pencils:
- Dan Adkins?
- Inks:
- Dan Adkins
- Colors:
- ?
- Letters:
- Irving Watanabe
- Genre:
- superhero
- Characters:
- X-Men, Spider-Man
- Reprinted:
- from X-Men (Marvel, 1963 series) #35 [cover]
See the X-Men #35 index for details on the cover art credits. The lettering is new. This sequence added 2005 by Steven Tice.