| Issue | #12 |
| Published | August 2005 |
| Frequency | monthly except semi-monthly in May, August and October |
| Cover Price | 2.99 USD; 4.25 CAD |
| Pages | 36 |
| Editing | Sean Ryan (Assistant Editor); Nick Lowe (Associate Editor); Mike Marts (Editor); Joe Quesada (Editor-in-Chief) |
| Characters | Charles Xavier; Beast; Emma Frost; Cyclops; Colossus; Shadowcat; Wolverine |
| Genre | Superhero |
| Pencils | John Cassaday |
| Inks | John Cassaday |
| Colors | Laura Martin |
| Letters | Typeset |
| Characters | Emma Frost [White Queen] |
| Genre | superhero |
| Pencils | John Cassaday |
| Inks | John Cassaday |
| Colors | Laura Martin |
| Letters | Typeset |
| Characters | Charles Xavier; Beast; Emma Frost; Shadowcat; Colossus; Cyclops; Wolverine; Danger; Sentinels; Sebastian Shaw; Cassandra Nova; Perfection |
| Synopsis | The Hellfire Club, now including Cassandra Nova, returns in the aftermath of the X-Men's defeat of Danger. |
| Genre | Superhero |
| Script | Joss Whedon |
| Pencils | John Cassaday |
| Inks | John Cassaday |
| Colors | Laura Martin |
| Letters | Chris Eliopoulos |