| Issue | #300 |
| Published | February 1989 |
| Frequency | monthly |
| Cover Price | 1.75 USD; 2.25 CAD; 0.50 GBP |
| Pages | 68 |
| Editing | Gregory Wright (Managing Editor); Mark Gruenwald (Editor); Tom DeFalco (Editor-in-Chief) |
| Characters | the Avengers [the Captain [Steve Rogers]; the Invisible Woman; Mr. Fantastic; Thor [Sigurd Jarlson]; Gilgamesh the Forgotten One] |
| Genre | superhero |
| Pencils | John Buscema (signed) |
| Inks | Tom Palmer (signed) |
| Reprinted | in Avengers Log (Marvel, 1994 series) #1; in Avengers: I am an Avenger (Marvel, 2010 series) #[nn]; in X-Men: Inferno Crossovers (Marvel, 2010 series) #[nn] |
| Characters | the Avengers [the Black Knight [Dane Whitman]; the Captain [Steve Rogers]; Gilgamesh the Forgotten One; the Invisible Woman; Mr. Fantastic; Thor [Sigurd Jarlson]]; Edwin Jarvis; Franklin Richards; the Goblin Queen [Madelyne Pryor]; the Growing Man; Inferno demons; Kang the Conquerer; Klytus; N'astirh; Nanny; Orphan Maker; S'ym |
| Genre | superhero |
| Script | Walter Simonson |
| Pencils | John Buscema (layouts) |
| Inks | Tom Palmer (finishes) |
| Colors | Paul Becton; Marc Siry |
| Letters | Bill Oakley |
| Notes | Inferno crossover. |
| Reprinted | in Avengers: I am an Avenger (Marvel, 2010 series) #[nn]; in X-Men: Inferno Crossovers (Marvel, 2010 series) #[nn] |
| Characters | the Avengers [Ant-Man [Henry Pym]; the Beast; the Black Knight [Dane Whitman]; the Black Panther; the Black Widow; Captain America; Captain Marvel [Monica Rambeau]; Doctor Druid; the Falcon; Firebird; Giant-Man [Henry Pym]; Gilgamesh [as the Forgotten One]; Goliath [Clint Barton]; Goliath [Henry Pym]; Hawkeye; Hellcat; Henry Pym; Hercules; the Hulk; the Invisible Woman; Iron Man [James Rhodes]; Iron Man [Tony Stark]; Jocasta; Mantis; Marrina; Mockingbird; Moondragon; Moon Knight; Mr. Fantastic; Ms. Marvel; Quicksilver; the Scarlet Witch; She-Hulk; Starfox; the Sub-Mariner; the Swordsman; the Thing; Thor; Tigra; the Vision; the Wasp; Wonder Man; Yellowjacket [Henry Pym]; Yellowjacket [Rita DeMara]] |
| Genre | superhero |
| Pencils | John Byrne; Kieron Dwyer?; various |
| Inks | Joe Rubinstein; various |
| Letters | typeset |
| Notes | A roster of every member of the Avengers (East Coast or West Coast) and the issues in which they appeared. |
| Characters | Arnold Roth; Dianne Arliss Newell; Donna Maria Puentes; Edwin Jarvis; Fabian Stankowicz; Genji Odashu; Gilbert Vaughn; Inger Sullivan; John Jameson; Keith Kincaid; M'daka; Michael O'Brien; Peggy Carter; Raymond Sikorsky; Robert Frank Jr.; Talia Kruma; Walter Newell |
| Genre | superhero |
| Pencils | Kieron Dwyer? |
| Inks | Joe Rubinstein |
| Letters | typeset |
| Characters | Edwin Jarvis |
| Synopsis | Marvel handbook-like profile on Edwin Jarvis. |
| Genre | superhero |
| Pencils | Kieron Dwyer? (Edwin Jarvis figure); various (illos) |
| Inks | Joe Rubinstein? (Edwin Jarvis figure); various (illos) |
| Letters | typeset |
| Script | Mark Gruenwald; various |
| Letters | typeset |
| Characters | the Avengers [Ant-Man [Henry Pym]; Captain America; Hawkeye; the Hulk; Iron Man [Tony Stark]; Starfox; Thor; the Vision; the Wasp] [statues] |
| Genre | superhero |
| Pencils | Eliot R. Brown? |
| Inks | Eliot R. Brown? |
| Letters | typeset |
| Notes | Map of Avengers Park and an illo of the "Founders' Monument" statue. |
| Characters | the Avengers [Ant-Man [Henry Pym]; the Hulk; Iron Man; Thor; the Wasp]; Loki; Rick Jones |
| Genre | superhero |
| Script | Ralph Macchio |
| Pencils | Walter Simonson |
| Inks | Walter Simonson |
| Colors | Gregory Wright |
| Letters | John Workman [as John E. Workman, Jr.] |
| Notes | Loki recounts how he was instrumental at the first forming of the Avengers. |
| Reprinted | in Speciale Vendicatori (Edizioni Star Comics, 1989 series) #[nn] (May 15, 1989) [Italy]; in Avengers Prime (Marvel, 2010 series) #1. |