| Issue | #21 |
| Published | October 2007 |
| Cover Price | 2.99 USD; 3.75 CAD |
| Pages | 36 |
| Editing | Joe Quesada (Editor in Chief); Tom Brevoort (Editor); Nicole Boose (Associate Editor); Molly Lazer (Assistant Editor) |
| Notes | Indicia shows this comic entitled: THE INVINCIBLE IRON MAN. Rated A. Direct Edition. |
| Characters | Iron Man |
| Genre | Super-hero |
| Pencils | Gerald Parel |
| Inks | Gerald Parel |
| Colors | Gerald Parel |
| Notes | Indicia shows this comic entitled: THE INVINCIBLE IRON MAN. Rated A. Direct Edition. |
| Characters | Iron Man [Tony Stark] |
| Synopsis | Recaps the story. |
| Letters | typeset |
| Notes | Horizontal illustration of Iron Man taken from a previous issue. Creator credits and indicia information included. |
| Characters | The Mandarin [as Tem Borjigin]; Cooper Roth [Paragon]; Iron Man [Tony Stark]; Captain America [Steve Rogers (in dreamstate)]; Maya Hansen (cameo); Maria Hill; Graviton [Franklin Hall]; Dum Dum Dugan; Captain Ultra; Gadget [Lucy Cervantes (death of)]; Jack Kooning (Secretary of Defense) |
| Synopsis | Tony Stark's duties with S.H.I.E.L.D. and the Initiative take him to Omaha, Nebraska, where Iron Man encounters an old hero with a grudge, and two all-new superhumans! [per solicitation] |
| Genre | Super-hero |
| Script | Daniel Knauf; Charles Knauf |
| Pencils | Roberto De La Torre |
| Inks | Roberto De La Torre |
| Colors | Dean White |
| Letters | Joe Caramagna [as VC's Joe Caramagna] |
| Notes | Pokemon Battle Revolution (game, Wii); Kids Apparel (apparel, Kids Headquarters); BVD For Guys (apparel, JCPenney); Hunger Gets What Hunger Wants (campaign, Ball Park Brand); Yogos Bits (candy, Kellogg); Fantastic Four (cartoon series, Cartoon Network); Doctor Strange (DVD, LionsGate/Marvel); Rise of the Silver Surfer (game, Take Two Interactive Software) |
| Notes | MARVEL ADVENTURES #28; FRANKLIN RICHARDS SON OF A GENIUS; THE LAST FANTASTIC FOUR STORY; LEGENDARY COMIC BOOK HEROES; SPIDER-MAN: ONE MORE DAY |