| Issue | #21 |
| Published | January 2008 |
| Cover Price | 2.99 USD |
| Pages | 52 |
| Editing | Stephen Wacker; Tom Brennan (Assistant) |
| Notes | Statement of Ownership average # of copies in preceding 12 months: 66,833. |
| Characters | Ms. Marvel [Carol Danvers]; Cru |
| Genre | superhero |
| Pencils | Greg Horn (Painted) |
| Inks | Greg Horn (Painted) |
| Colors | Greg Horn (Painted) |
| Letters | Typeset |
| Notes | Statement of Ownership average # of copies in preceding 12 months: 66,833. |
| Genre | superhero |
| Pencils | Frank Cho; Aaron Lopresti |
| Inks | Frank Cho; Matt Ryan |
| Letters | Typeset |
| Characters | FEATURE: Ms. Marvel [Carol Danvers]; GUESTS: Arana; Wonder Man; Machine Man [Aaron Stack]; Sleepwalker; Sum; Cru; SHIELD; VILLAINS: Monster Isle Monsters; CAMEOS: Brood |
| Synopsis | Ms. Marvel faces her old foe, Cru, whom she believed to be dead; Machine Man and Sum try to drive Cru off but things take a strange turn when Cru links up with Ms. Marvel and transports her to Monster Isle; It turns out that Cru is an alien woman who left part of herself in Carol's bloodstram during their last conflict; This explains why Carol keeps turning blue and healing in times of stress; As Cru tries to extract the part of herself she left in Carol, the Brood arrive on the scene. |
| Genre | superhero |
| Script | Brian Reed |
| Pencils | Aaron Lopresti |
| Inks | Matt Ryan |
| Colors | Chris Sotomayor |
| Letters | Dave Sharpe |
| Characters | Captain America; Iron Man; Sharon Carter; Ms. Marvel [Carol Danvers]; Wonder Man; Black Widow; Vision; Hulk; Thor; She-Hulk; Hercules; Spider-Man; Taskmaster; Daredevil; Mr. Fantastic; Human Torch; The Thing; Captain Marvel [Mar-Vell] |
| Genre | superhero |
| Script | Brian Reed |
| Pencils | Lee Weeks |
| Inks | Stefano Gaudiano |
| Colors | Jason Keith |
| Letters | Todd Klein |
| Notes | Promo for upcoming comic. |