The Great Mutant Massacre #4
| Series | Captain America Annual |
| Number | Vol. 1 #4 |
| Publisher | Marvel Comics |
| Date | 1977 |
| Type | Comic Book, Softcover |
| Language | English |
| Artist | Jack Kirby |
| Colorist | George Roussos |
| Editor | Jack Kirby |
| Inker | John Verpoorten, John Tartaglione |
| Letterer | Jim Novak |
| Writer | Jack Kirby |
| Genre | Superhero |
| Published in | United States |
| UPC | 0 71486 02438 65 |
| Characters | Captain America, Magneto |
| Notes | 50 cents |