| Issue | #321 |
| Published | Late August 1990 |
| Frequency | monthly except bimonthly in August |
| Cover Price | 1.00 USD; 1.25 CAD; 0.60 GBP |
| Pages | 36 |
| Editing | Len Kaminski (Assistant Editor); Howard Mackie (Editor); Tom DeFalco (Editor-in-Chief) |
| Characters | Captain America [Steve Rogers]; Vision; Red Guardian; Puck |
| Genre | superhero |
| Pencils | Paul Ryan (signed) |
| Inks | Paul Ryan (signed) |
| Characters | the Avengers [Captain America [Steve Rogers]; Vision; Sersi; Quasar; Stingray]; The People's Protectorate [Red Guardian; Vostok; Fantasma; Crimson Dynamo; Perun]; Alpha Flight [Guardian [Heather Hudson]; Shaman; Box [Madison Jeffries]; Puck; Diammond Lil]; The Peace Corpse; Orka; Tyrak; Meranno; Atlanteans |
| Synopsis | The Avengers and their allies try to capture a nuclear sub back from a group of terrorists before they blow up most of Newfoundland. |
| Genre | superhero |
| Script | Fabian Nicieza |
| Pencils | Rik Levins |
| Inks | Chris Ivy |
| Colors | Christie Scheele |
| Letters | Bill Oakley |
| Characters | The Avengers Crew; VILLAIN: Mother Night (unrevealed) |
| Genre | superhero |
| Script | Mark Gruenwald |
| Pencils | Jim Reddington |
| Inks | Mickey Ritter |
| Colors | Joe Rosas |
| Letters | Ed Lazellari |