Gehenna
Firestorm Matrix
- Also known as
Appearances
- Villains United #4 — 2005-10-00
- Firestorm #17 — 2005-11-00
- Firestorm #19 — 2006-01-00
- Firestorm #21 — 2006-03-00
- Justice League Wedding Special #1 — 2007-11-00
- Countdown #25 — 2008-01-00
- Countdown #24 — 2008-01-00
- Justice League of America #15 — 2008-01-00
- Countdown #5 — 2008-05-00
- Countdown #6 — 2008-05-00
- The Brave and the Bold #12 — 2008-06-00
- Countdown to Final Crisis #1 — 2008-07-00
- Justice League of America #21 — 2008-07-00
- Justice League of America #22 — 2008-08-00
- The Brave and the Bold #15 — 2008-09-00
- Superman / Batman #50 — 2008-09-00
- Countdown to Final Crisis #2 — 2008-09-00
- Justice League of America #24 — 2008-10-00
- Justice League of America #25 — 2008-11-00
- Countdown to Final Crisis #3 — 2008-12-00
- Justice League of America #26 — 2008-12-00
- Justice League of America #27 — 2009-01-00
- Countdown to Final Crisis #4 — 2009-01-00
- DCU Holiday Special #1 — 2009-02-00
- Justice League of America #32 — 2009-06-00
- Justice League of America #33 — 2009-07-00
- Justice League of America #34 — 2009-08-00
- The Infinite Crisis Omnibus #[nn] — 2012-08-00
- DC Universe by Dwayne McDuffie #[nn] — 2023-04-00