- Script
- Frank Tieri
- Pencils
- Liam Sharp
- Inks
- Rob Hunter
- Colors
- David Baron
- Letters
- Pat Brosseau
- Genre
- superhero
- Characters
- Americommando [James] (Earth-8); Diane (Earth-8); Challengers of the Beyond [Green Lantern [Kyle Rayner]; Donna Troy; Jason Todd]; Lord Havok (Earth-8, villain); The Extremists [Carny (Earth-8; flashback; deceased; villain); Dr. Diehard (Earth-8, villain); Dreamslayer (Earth-8, villain); Gorgon (Earth-8, villain); Tracer (Earth-8, villain)]; Paul (Earth-8; dies; villain)
- Reprints
The events of this issue take place prior to Countdown (DC, 2007 series) #29.
- Script
- Frank Tieri
- Pencils
- Liam Sharp
- Inks
- Rob Hunter
- Colors
- David Baron
- Letters
- John J. Hill
- Genre
- superhero
- Characters
- Challengers of the Beyond [Green Lantern [Kyle Rayner]; Donna Troy; Jason Todd; Jokester; Bob the Monitor]; Lord Havok (Earth-8, villain); The Extremists [Dr. Diehard (Earth-8); Dreamslayer (Earth-8); Gorgon [Dr. Mortimer] (Earth-8; origin); Tracer (Earth-8)] (villains); Susan Mortimer (Earth-8; dies; villain); Wandjina [Dr. Leonard Grant] (Earth-8, villain); Barracuda (Earth-8, villain); Monarch [Nathaniel Adam] (villain); Forerunner [Viza] (villain); Crime Society [Ultraman (Earth-3); Superwoman (Earth-3); Power Ring (Earth-3); Owlman (Earth-3)] (villain)
- Reprints
The events of this issue take place around Countdown #29-27.
- Script
- Frank Tieri
- Pencils
- Mark A. Robinson
- Inks
- Rob Hunter; Mark McKenna
- Colors
- David Baron
- Letters
- Rob Leigh
- Genre
- superhero
- Characters
- Lord Havok (Earth-8); The Extremists [Dr. Diehard (Earth-8); Dreamslayer (Earth-8); Gorgon [Dr. Mortimer] (Earth-8); Tracer [Vincent Cade] (Earth-8; origin)]; Blue Jay (Earth-8); Americommando [James] (Earth-8); Eagle (Earth-8; dies); Herr Superman; Bat-Soldier; Zombie Gordon [James Gordon]; Green Sinestro; The Flash [Linda Park]; Bizarra; Robin Olsen; Monarch [Nathaniel Adam]; Forerunner [Viza Aziv]
- Reprints
The events of this issue take place between Countdown (DC, 2007 series) #29-27.
- Script
- Frank Tieri
- Pencils
- Liam Sharp
- Inks
- Rob Hunter
- Colors
- Kanila Tripp
- Letters
- John J. Hill
- Genre
- superhero
- Characters
- Lord Havok (Earth-8); The Extremists [Dr. Diehard (Earth-8); Dreamslayer [Louise Marino] (Earth-8; origin); Gorgon [Dr. Mortimer] (Earth-8); Tracer [Vincent Cade] (Earth-8)]; Blue Jay (Earth-8); Americommando [James] (Earth-8); Bowman (Earth-8); Louie [Louis Marino] (Earth-8; first appearance); Emmisary (Earth-8); Monarch [Nathaniel Adams]
- Reprints
A Countdown tie-in.
- Script
- Frank Tieri
- Pencils
- Liam Sharp; Mark A. Robinson
- Inks
- Rob Hunter; Mark Irwin; Mark Pennington; Sandu Florea
- Colors
- David Baron
- Letters
- Steve Wands (as Swands)
- Genre
- superhero
- Characters
- Lord Havok (Earth-8); The Extremists [Dr. Diehard [Dr. Hans Leckter] (Earth-8; origin); Dreamslayer [Louise Marino] (Earth-8); Gorgon [Dr. Mortimer] (Earth-8); Tracer [Vincent Cade] (Earth-8)]; Silver Sorceress [Anna Leckter] (Earth-8; flashback; dies); Jack Leckter (Earth-8; flashback; dies); One-Eye (Earth-8; flashback); Blue Jay (Earth-8); Americommando [James] (Earth-8); Wandjina (Earth-8); Raven [Adam] (Earth-8); Diane (Earth-8); Monarch [Nathaniel Adams]
- Reprints
- Script
- Frank Tieri
- Pencils
- Liam Sharp
- Inks
- Rob Hunter; Liam Sharp
- Colors
- David Baron
- Letters
- Travis Lanham
- Genre
- superhero
- Characters
- Lord Havok [Alexi Nikolai] (Earth-8; origin); The Extremists [Dreamslayer [Louise Marino] (Earth-8); Gorgon [Dr. Mortimer] (Earth-8); Tracer [Vincent Cade] (Earth-8)]; Blue Jay (Earth-8); Americommando [James] (Earth-8); Wandjina (Earth-8); Raven [Adam] (Earth-8); Monarch [Nathaniel Adams]; Czar Nikolai III (Lord Havok's father; flashback; dies); Mrs. Nikolai III (Lord Havok's mother; flashback; dies); Butch (flashback); Robert (flashback); Herr Superman (dies)
- Reprints
The events of this issue take place between Countdown #29-27.