Astonishing X-Men #21 B
| Series | Third Series |
| Number | #21 |
| Publisher | Marvel Comics |
| Date | 2007 |
| Type | Comic Book |
| Language | English |
| Genre | Superhero |
| Notes | B Cover Variant |
Added by gitarman2005
| Series | Third Series |
| Number | #21 |
| Publisher | Marvel Comics |
| Date | 2007 |
| Type | Comic Book |
| Language | English |
| Genre | Superhero |
| Notes | B Cover Variant |