| Issue | #221 |
| Published | August 1980 |
| Cover Price | 0.40 USD |
| Pages | 36 |
| Editing | Jim Salicrup |
| Notes | Letters page replies by Roger Stern. |
| Characters | Mr. Fantastic; Human Torch; the Thing; Invisible Girl |
| Genre | superhero |
| Pencils | Bill Sienkiewicz (signed) |
| Inks | Joe Sinnott (signed) |
| Notes | Originally cover inks credits given to John Byrne. Updated cover inks credit from Ralf H. Kienzle (9 January 2005). |
| Genre | superhero |
| Script | John Byrne |
| Pencils | John Byrne (breakdowns); Joe Sinnott (finished art) |
| Inks | Joe Sinnott |
| Colors | Carl Gafford |
| Letters | Jim Novak |
| Notes | Second half of a story originally prepared for a Coca-Cola promotion that fell through. See also Incredible Hulk Annual, The (Marvel, 1976 series) #9 and Spectacular Spider-Man Annual, The (Marvel, 1979 series) #2. |