| Issue | #18 |
| Published | February 2008 [December 26, 2007] |
| Cover Price | 2.99 USD; 3.65 CAD |
| Pages | 36 |
| Editing | Mike Carlin; Elisabeth V. Gehrlein (assistant) |
| Characters | Atom [Ray Palmer] |
| Genre | Superhero |
| Pencils | Karl Kerschl |
| Inks | Karl Kerschl |
| Colors | Dave McCaig |
| Letters | ? |
| Characters | Jean Loring (Earth-51); Sue Dibny (Earth-51); Ralph Dibny [Elongated Man] (Earth-51); Iris Allen (Earth-51); Barry Allen [Flash] (Earth-51); Dr. Harleen Quinzel (Earth-51); Justice League [Aquaman (Earth-51; flashback); Atom [Ray Palmer]; Batman [Bruce Wayne] (Earth-51; flashback); Green Lantern [Hal Jordan] (Earth-51; flashback); Hawkman [Carter Hall] (Earth-51; flashback); Martian Manhunter [J'onn J'onzz] (Earth-51; flashback); Superman [Clark Kent] (Earth-51); Queen Diana [Wonder Woman] (Earth-51); Zatanna Zatara (Earth-51)]; Ray Palmer (Earth-51; flashback; dies); Mary Marvel [Mary Batson]; Challengers of the Beyond [Green Lantern [Kyle Rayner]; Donna Troy; Bob the Monitor; Jason Todd]; VILLAIN: Eclipso [Jean Loring] |
| Synopsis | We find out where Ray Palmer has been since the end of IDENTITY CRISIS and Mary Marvel battles Eclipso. |
| Genre | Superhero |
| Script | Paul Dini (head writer); Keith Giffen (story consultant); Sean McKeever |
| Pencils | Scott Kolins |
| Inks | Scott Kolins |
| Colors | Tom Chu |
| Letters | Travis Lanham |
| Characters | Dr. Light [Arthur Light] (origin); Justice League [JLA; Aquaman [Arthur Curry; Orin]; Elongated Man [Ralph Dibny]; Flash [Barry Allen]; Green Arrow [Oliver Queen]; Green Lantern [Hal Jordan]; Hawkman [Carter Hall]; Martian Manhunter [J'onn J'onzz]; Wonder Woman [Diana]; Zatanna Zatara]; Sue Dibny; Speedy [Mia Dearden]; Deathstroke [Slade Wilson]; Fearsome Five [Gizmo [Mikron O'Jeneus]; Mammoth [Baran Flinders]; Psimon [Simon Jones]; Shimmer [Selinda]] |
| Synopsis | The origin of Dr. Light. |
| Genre | Superhero |
| Script | Scott Beatty |
| Pencils | Howard Porter |
| Inks | Howard Porter |
| Colors | Howard Porter |
| Letters | Travis Lanham |
| Editing | Elisabeth V. Gehrlein |
| Characters | Jean Loring (Earth-51); Sue Dibny (Earth-51); Ralph Dibny [Elongated Man] (Earth-51); Iris Allen (Earth-51); Barry Allen [Flash] (Earth-51); Ray Palmer [Atom] |
| Script | Jann Jones |
| Pencils | Scott Kolins; ? |
| Inks | Scott Kolins; ? |
| Colors | Tom Chu; ? |
| Letters | typeset |
| Notes | Jann Jones wishes everyone a happy holiday. Unlettered art is from upper 2 panels of page 10 of COUNTDOWN (DC, 2007 series) #18. Hot list - COUNTDOWN #18, DEATH OF THE NEW GODS #4 and GREEN LANTERN #26. House ad for COUNTDOWN #17. |