| Issue | #16 |
| Published | March 2008 [January 9, 2008] |
| Cover Price | 2.99 USD; 3.65 CAD |
| Pages | 36 |
| Editing | Mike Carlin; Elisabeth V. Gehrlein (assistant) |
| Characters | Monarch [Nathaniel Adam]; Power Ring (Earth-3); Monitors |
| Genre | Superhero |
| Pencils | Pete Woods |
| Inks | Pete Woods |
| Colors | Brad Anderson |
| Characters | Challengers of the Beyond [Green Lantern [Kyle Rayner]; Donna Troy; Jason Todd]; Ray Palmer [Atom]; Batman [Bruce Wayne] (Earth-51); Wonder Woman (Earth-51); Red Tornado (Earth-51): Jimmy Olsen; Forager; Brother Eye; VILLAINS: Solomon the Monitor; Monitors; Monarch [Nathaniel Adam]; Crime Society [Ultraman (Earth-3); Superwoman (Earth-3); Power Ring (Earth-3)]; Queen Belthera; Donna Troy; Myrmidons; Superman-Prime [Clark Kent] (cameo); Booster Gold; Gorgon [Dr. Mortimer] (Earth-8) |
| Synopsis | The Monarch's forces fight the Monitors on Earth-51, a new villain is introduced and the Batman of Earth-51 confronts Jason Todd. |
| Genre | Superhero |
| Script | Paul Dini (head writer); Keith Giffen (story consultant); Tony Bedard |
| Pencils | Pete Woods; Tom Derenick |
| Inks | Pete Woods; Wayne Faucher |
| Colors | Tom Chu |
| Letters | Steve Wands [as Swands] |
| Characters | Sinestro (origin); Sinestro Corps; Green Lantern Corps; Green Lantern [Hal Jordan]; Guardians of OA; Manhunters |
| Synopsis | The origin of Sinestro. |
| Genre | Superhero |
| Script | Scott Beatty |
| Pencils | Fernando Pasarin |
| Inks | Fernando Pasarin |
| Colors | Hi-Fi |
| Letters | Steve Wands |
| Editing | Elisabeth V. Gehrlein |
| Characters | Mongul |
| Script | Dan Didio |
| Letters | typeset |
| Notes | Dan Didio takes a tour through the DC offices, checking in on Jann Jones, Mark Chiarello and Matt Idelson. Hot list - COUNTDOWN #16, GREEN ARROW/BLACK CANARY #4 and SALVATION RUN #3. House ad for COUNTDOWN #15. |