| Issue | #20 |
| Published | August 2005 |
| Frequency | Monthly except semi-monthly in January, February and September |
| Cover Price | 2.50 USD; 3.50 CAD |
| Pages | 36 |
| Editing | Ralph Macchio; John Barber (assistant); Nicole Wiley (assistant) |
| Notes | U.S. on sale date: 2005-06-22. © 2005 Marvel Characters, Inc. |
| Characters | Fantastic Four [Human Torch [Johnny Storm]; Invisible Woman [Sue Storm]; Mr. Fantastic [Reed Richards]; Thing [Ben Grimm]] |
| Genre | Superhero |
| Pencils | Jae Lee |
| Inks | Jae Lee |
| Characters | Mad Thinker [Rhona Burchill] |
| Genre | Superhero |
| Pencils | Jae Lee |
| Inks | Jae Lee |
| Colors | June Chung |
| Letters | typeset |
| Notes | Recap of story to date, creator credits and indicia. |
| Characters | Fantastic Four [Human Torch [Johnny Storm]; Invisible Woman [Sue Storm]; Mr. Fantastic [Reed Richards]; Thing [Ben Grimm]]; Mr. Lumpkin (flashback); Franklin Storm; Mr. Burchill (flashback); Mrs. Burchill (flashback); Bobby Burchill (flashback); Mad Thinker [Rhona Burchill] (origin, villain); Bobby (an android, villain) |
| Genre | Superhero |
| Script | Mike Carey |
| Pencils | Jae Lee |
| Inks | Jae Lee |
| Colors | June Chung |
| Letters | Chris Eliopoulos |
| Characters | Joe Quesada; Spider-Man [Peter Parker] |
| Script | Joe Quesada |
| Letters | typeset |
| Notes | Joe Quesada hypes Defenders #1, Ultimate Fantastic Four #21 and Mutopia X #1. |