| Issue | #221 |
| Published | May 1978 |
| Frequency | monthly |
| Cover Price | 0.35 USD |
| Pages | 36 |
| Editing | Archie Goodwin |
| Notes | Letters page replies by Steve Gerber. |
| Characters | Captain America [Steve Rogers] |
| Genre | superhero |
| Pencils | Gil Kane |
| Inks | Tony DeZuniga |
| Letters | Dan Crespi ?; Gaspar Saladino ? |
| Notes | Marvel Comics Index #8A lists letterer as Gaspar Saladino. |
| Characters | Captain America [Steve Rogers]; Ameridroid |
| Genre | superhero |
| Script | Dan Glot (plot pg 1-5); Steve Gerber (writer); David Kraft ("co-scenarist") |
| Pencils | Sal Buscema (breakdowns); Mike Esposito (finished art) |
| Inks | Mike Esposito |
| Colors | George Roussos |
| Letters | Irving Watanabe |
| Notes | Plot pages 1-5 by Don Glut (uncredited; redone from lost pages from previous issue) (From Marvel Comics Index #8A). |
| Characters | Rick Jones; Avengers [Thor; Captain America; Giant-Man; Wasp; Iron Man] |
| Genre | superhero |
| Script | Scott Edelman |
| Pencils | Steve Leialoha |
| Inks | Al Gordon |
| Colors | Irene Vartanoff |
| Letters | Bruce Patterson |
| Notes | takes place between AVENGERS #14, 15 |