| Issue | #17 |
| Published | March 2008 [January 2, 2008] |
| Cover Price | 2.99 USD; 3.65 CAD |
| Pages | 36 |
| Editing | Mike Carlin; Elisabeth V. Gehrlein |
| Notes | Cover signed by Pete Woods. Cover credits are attributed to Karl Kerschl and Dave McCaig inside the book. Cover is an homage to the cover of Our Army at War (DC, 1952 series) #195 by Joe Kubert. |
| Characters | Challengers of the Beyond [Green Lantern [Kyle Rayner]; Donna Troy; Jason Todd]; Forerunner [Viza Aziv]; Monarch [Nathaniel Adam] |
| Genre | Superhero |
| Pencils | Pete Woods (signed) |
| Inks | Pete Woods (signed) |
| Notes | Cover signed by Pete Woods. Cover credits are attributed to Karl Kerschl and Dave McCaig inside the book. Cover is an homage to the cover of Our Army at War (DC, 1952 series) #195 by Joe Kubert. |
| Characters | Mary Marvel [Mary Batson]; Challengers of the Beyond [Green Lantern [Kyle Rayner]; Donna Troy; Jason Todd]; Atom [Ray Palmer]; Jean Loring (Earth-51; dies); Sue Dibny (Earth-51); Ralph Dibny [Elongated Man] (Earth-51; dies); Iris Allen (Earth-51); Barry Allen [Flash] (Earth-51; dies); Zatanna Zatara (Earth-51; dies); VILLAINS: Eclipso [Jean Loring]; Bob the Monitor (dies); Solomon the Monitor; Monitors; Monarch [Nathaniel Adam]; Crime Society [Ultraman (Earth-3); Superwoman (Earth-3); Power Ring (Earth-3)] |
| Synopsis | Mary Marvel and Eclipso have their final battle, and Mary lands on Paradise Island. Bob the Monitor's true intentions are revealed as he tries to kill Ray Palmer. When Ray Palmer escapes, Solomon the Monitor kills Bob. |
| Genre | Superhero |
| Script | Paul Dini (head writer); Keith Giffen (story consultant); Justin Gray; Jimmy Palmiotti |
| Pencils | Ron Lim |
| Inks | Justin Palmiotti |
| Colors | Pete Pantazis |
| Letters | Ken Lopez |
| Characters | Monarch [Hank Hall; as Hawk; as Extant] (origin); Monarch [Captain Atom; Nathaniel Adam] (origin); Dove [Dawn Granger]; Mr. Majestic; Waverider; Crime Society [Ultraman (Earth-3); Superwoman (Earth-3); Power Ring (Earth-3)] |
| Synopsis | The origin of Monarch. |
| Genre | Superhero |
| Script | Scott Beaty |
| Pencils | Scott Kolins |
| Inks | Scott Kolins |
| Colors | Hi-Fi |
| Letters | Ken Lopez |
| Characters | Tiny Titans [Kid Flash; Raven; Robin] |
| Script | Dan Didio |
| Letters | typeset |
| Notes | Various staff members talk about their New Year's resolutions. Hot list - THE ALL NEW ATOM #19, COUNTDOWN #17 and TEEN TITANS YEAR ONE #1. House ad for COUNTDOWN #16. |