| Issue | #21 |
| Published | October 2007 |
| Cover Price | 2.99 USD |
| Pages | 36 |
| Editing | Tom Brevoort; Molly Lazer (Assistant Editor) |
| Characters | Jennifer Walters; She-Hulk (of Earth-A) |
| Genre | superhero |
| Pencils | Greg Horn (painted) |
| Inks | Greg Horn (painted) |
| Colors | Greg Horn (painted) |
| Characters | Jennifer Walters [also appears as She-Hulk in this issue]; She-Hulk (of Earth-A); Mallory Book; Two-Gun Kid [Matt Hawk]; Augustus Pugliese; Augustus Pugliese (of Earth-A); Reed Richards: Stu Cicero; Lewis; Chas; Ditto; Bobo; Code: Blue [Lt. Marcus Stone; Rigger Ruiz]; Rhino (of Earth-A); Captain Ultra [Griffin Gogol](of Earth-A); Albert E. Devoor; Albert E. Devoor (of Earth-A); Wrecker (of Earth-A); Captain Marvel [Monica Rambeau](of Earth-A); Titania; Jack of Hearts (of Earth-A; cameo); Scarlet Witch (of Earth-A; cameo); Scorpion (of Earth-A; cameo); 3-D Man (of Earth-A; cameo); Egghead (of Earth-A; cameo); Ms. Marvel (of Earth-A; cameo); White Tiger (of Earth-A; cameo); Hammer (of Earth-A; cameo); Anvil (of Earth-A; cameo); Dazzler (cameo); Dazzler (of Earth-A; cameo); Beast (cameo); Beast (of Earth-A; cameo); Vermin (cameo); Hulkling (cameo); Hulkling (of Earth-A; cameo); Wiccan (cameo); Wiccan (of Earth-A; cameo); Dr. Strange (of Earth-A; cameo) |
| Synopsis | Duplicates from the parallel world Earth-A have been messing up continuity in the Marvel Universe for years, but with the help of Reed Richards, Code: Blue; and the law firm of Goodman, Leiber, Kurtzburg, Holliway, and Book, Jennifer Walters resolves the situation and regains her She-Hulk persona. |
| Genre | superhero |
| Script | Dan Slott; Ty Templeton |
| Pencils | Rick Burchett |
| Inks | Cliff Rathburn |
| Colors | Andy Troy |
| Letters | Dave Sharpe |
| Reprinted | in Mighty World of Marvel, The (Panini UK, 2009 series) #7 |