| Unofficial Superman Vol. 6 Index |
Credits:
| Story | Joshua Williamson |
| Art | Eddy Barrows, Eber Ferreira |
| Colors | Alejandro Sánchez |
| Lettering | Ariana Maher |
| Assistant editing | Jillian Grant |
| Editing | Paul Kaminski |
Feature Character(s):
- Superman (in between panels of DC K.O. #2, page 31; also in flashback in between DC K.O. #1, pages 39 and 40; see Comments)
- Superboy-Prime
- Lois Lane
Villain(s):
- Legion of Darkseid
- Sun Boy
- Ferro Lad (last in issue #30)
- Timber Wolf (last in issue #30)
- Legion of Doom
- Cheetah (in flashback in between ??? and DC K.O. #1, and in flashback in between DC K.O. #1, pages 39 and 41)
- Joker (in flashback in between DC K.O. #1, pages 20 and 37, and in flashback in between DC K.O. #1, pages 39 and 40; also in flashback to DC K.O. #1)
- Lex Luthor (in flashback in between Superman Vol. 6 #30 and DC K.O. #1, then in flashback in between DC K.O. #1, pages 21 and 38, and flashback in between DC K.O. #1, pages 39 and 40; appearance page 14, panel 1 same as DC K.O. #2, page 8, panel 1)
- Giganta (in flashback in between ??? and DC K.O. #1, and in flashback in between DC K.O. #1, pages 39 and 40; appearance page 14 same as DC K.O. #2, page 10)
- King Shark (in flashback in between DC K.O. #1, pages 21 and 38, and in flashback in between DC K.O. #1, pages 39 and 40; appearance page 14 same as DC K.O. #2, page 23)
- Starro (in flashback in between ??? and DC K.O. #1, and in flashback in between DC K.O. #1, pages 39 and 40; appearance page 14 same as DC K.O. #2, page 20)
- Mister Freeze (last in DC K.O. #1; in the Phantom Zone)
Guest Appearance(s):
- Justice League Unlimited
- Aquaman (in flashback in between DC K.O. #1, pages 33 and 40)
- Batwoman (in flashback in between DC K.O. #1, pages 32 and 40)
- Big Barda (in flashback in between Justice League Unlimited Vol. 2 #11 and DC K.O. #1)
- Black Lightning (in flashback in between DC K.O. #1, pages 33 and 40)
- Captain Atom (in flashback in between issue #31 and DC K.O. #1, page 40; appearance page 14 same as DC K.O. #2, page 26)
- Etrigan (in flashback in between Justice League: The Omega Act Special #1 and DC K.O. #1)
- Firestorm (in flashback in between DC K.O. #1, pages 35 and 41)
- Flash (Jay Garrick; in flashback in between DC K.O. #1, pages 34 and 40)
- Green Arrow (Connor Hawke; in flashback in between ??? and DC K.O. #1)
- Green Lantern (Guy Gardner; in flashback in between DC K.O. #1, pages 35 and 41)
- Green Lantern (Hal Jordan; in flashback in between DC K.O. #1, pages 15 and 25)
- Harley Quinn (in flashback in between DC K.O. #1, pages 34 and 40)
- Hawkman (in flashback in between Justice League: The Omega Act Special #1 and DC K.O. #1)
- Lobo (in flashback in between DC K.O. #1, pages 36 and 40; also in flashback to DC K.O. #1)
- Metamorpho (in flashback in between DC K.O. #1, pages 31 and 41)
- Mister Terrific (in flashback in between DC K.O. #1, pages 15 and Titans Vol. 4 #27, and in flashback to issue #26)
- Plastic Man (in flashback in between DC K.O. #1, pages 35 and 40)
- Power Girl (in flashback in between Justice League: The Omega Act Special #1 and DC K.O. #1)
- Red Hood (in flashback in between DC K.O. #1, pages 34 and 40)
- Robin (Damian Wayne; in flashback in between Justice League: The Omega Act Special #1 and DC K.O. #1)
- Star Sapphire (in flashback in between DC K.O. #1, pages 28 and 40)
- Supergirl (in flashback in between DC K.O. #1, pages 36 and 41; appearance page 14 same as DC K.O. #2, page 26)
- Swamp Thing (in flashback in between DC K.O. #1, pages 34 and 40)
- Vixen (in flashback in between DC K.O. #1, pages 36 and 40)
- Wonder Woman (in flashback in between DC K.O. #1, pages 36 and 41; also in flashback to DC K.O. #1)
- Zatanna (in flashback in between DC K.O. #1, pages 37 and 40; also in flashback to DC K.O. #1)
- Titans
- Cyborg (in flashback in between DC K.O. #1, pages 37 and 40)
- Donna Troy (in flashback in between DC K.O. #1, pages 15 and Titans Vol. 4 #27)
- Nightwing (in flashback in between DC K.O. #1 and Titans Vol. 4 #28)
- Flash (Wally West; in flashback in between DC K.O. #1 and Titans Vol. 4 #27)
- Quantum Quorum
- Gorilla Grodd (in between DC K.O. #1, pages 15 and 34)
Cameo Appearance(s):
- Atom (Ray Palmer; in flashback to issue #26)
- Atom (Ryan Choi; in flashback to issue #26)
- Batman (in flashback to DC K.O. #1)
- Blue Beetle (Jaime Reyes; in flashback to DC K.O. #1)
- Lara (as a hologram)
- Darkseid (possessing Booster Gold; appearance same as DC K.O. #1, page 15 and DC K.O. #2, page 33)
- Quantum Quorum
- Booster Gold (possessed by Darkseid; appearance same as DC K.O. #1, page 15 and DC K.O. #2, page 33)
- Time Trapper (appearance same as DC K.O. #1, page 15 and DC K.O. #2, page 33)
- World Forger (appearance same as DC K.O. #1, page 15)
Location(s):
- Multiverse
- Universe-0
Comment(s):
- This story takes place during DC K.O. #2.
- Story continued from the previous issue and continues in the next issue.
Solicitation:
- Lex Luthor is back! But how did he get into the deadly tournament? Can Superman and Lex work together to learn about the Heart of Apokolips and how to stop it? And who protects Metropolis as it transforms into a raging firepit?

