Fantastic Four #221
| Series | Fantastic Four |
| Number | Vol. 1 #221 |
| Publisher | Marvel Comics, Marvel Comics Group |
| Date | 1980-08 |
| Type | Comic Book, Softcover |
| Language | English |
| Inker | Joe Sinnott |
| Penciler | John Byrne |
| Writer | Marv Wolfman |
| Copyright Holder | Marvel Comics Group |
| Genre | Superhero |
| Published in | United States |
| Notes | 40c |