| Issue | #21 |
| Published | October 1999 |
| Frequency | monthly |
| Cover Price | 1.99 USD; 2.99 CAD |
| Pages | 36 |
| Editing | Gregg Schigiel (Assistant Editor); Tom Brevoort (Editor); Bob Harras (Editor-in-Chief) |
| Characters | Thor; Iron Man [Tony Stark]; Captain America [Steve Rogers]; Black Panther |
| Genre | superhero |
| Pencils | George Pérez (signed) |
| Inks | George Pérez (signed) |
| Colors | Tom Smith (signed) |
| Letters | Richard Starkings; Comicraft |
| Characters | Thor; Iron Man [Tony Stark]; Captain America [Steve Rogers]; Black Panther; Firestar; Scarlet Witch; Wonder Man; Vision; Ultron; Giant-Man [Hank Pym]; Wasp; Grim Reaper; Alkhema; Justice; Edwin Jarvis |
| Genre | superhero |
| Script | Kurt Busiek |
| Pencils | George Pérez |
| Inks | Al Vey |
| Colors | Tom Smith |
| Letters | Richard Starkings; Comicraft |