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Black Mass (DC) — First appearance, key issues & comics · Cape Zone

Black Mass portrait

Character/DC

Black Mass

Geoffrey Thibodeux

37 appearancesSince 1985

Black Mass first appeared in Justice League of America #234 (1985-01), published by DC. 37 appearances are indexed across 27 series.

Also known as Geoffrey Thibodeux

Black Mass was the alias used by Geoffrey Thibodeux when he first joined the Cadre.

Character history

Key issues

2 issues

Justice League of America
#234
first appearance · intro
1985-01-00
Justice League of America
#235
intro
1985-02-00

Across the catalog

Appears in

27 series

TPCCape Archive 2002
The Power Company
2002–2003
5 issues →
Justice League of America
1960–1987
3 issues →

Justice League America

1989–1996

2 issues →

Justice League of America cover

Justice League of America

2006–2011

2 issues →

Justice League of America cover

Justice League of America

2007–2011

2 issues →

Justice League of America cover

Justice League of America

2008–2012

2 issues →

Who's Who: The Definitive Directory of the DC Universe cover

Who's Who: The Definitive Directory of the DC Universe

1985–1987

1 issue →

Crisis on Infinite Earths cover

Crisis on Infinite Earths

1985–1986

1 issue →

Crisis on Infinite Earths cover

Crisis on Infinite Earths

1998–1998

1 issue →

Crisis on Infinite Earths cover

Crisis on Infinite Earths

2000–2000

1 issue →

Avengers / JLA cover

Avengers / JLA

2003–2004

1 issue →

JLA / Avengers: The Collector's Edition cover

JLA / Avengers: The Collector's Edition

2004–2004

1 issue →

Crisis on Infinite Earths The Absolute Edition cover

Crisis on Infinite Earths The Absolute Edition

2005–2005

1 issue →

Green Lantern cover

Green Lantern

2005–2011

1 issue →

TFCape Archive 2007

The Flash

2007–2009

1 issue →

JLA / Avengers cover

JLA / Avengers

2008–2008

1 issue →

Justice League United cover

Justice League United

2014–2016

1 issue →

JLUCape Archive 2014

Justice League United Annual

2014–2014

1 issue →

Green Lantern by Geoff Johns Omnibus cover

Green Lantern by Geoff Johns Omnibus

2015–2016

1 issue →

Crisis on Infinite Earths Deluxe Edition cover

Crisis on Infinite Earths Deluxe Edition

2015–2015

1 issue →

JLUCape Archive 2015

Justice League United

2015–2016

1 issue →

Justice League: The Detroit Era Omnibus cover

Justice League: The Detroit Era Omnibus

2017–2017

1 issue →

Superman Giant cover

Superman Giant

2018–2019

1 issue →

Green Lantern by Geoff Johns cover

Green Lantern by Geoff Johns

2019–

1 issue →

Show all 27 series ↓Show less ↑

Crisis on Infinite Earths: 35th Anniversary Deluxe Edition
2019–2019
1 issue →
Who's Who Omnibus
2021–2022
1 issue →
Crisis on Infinite Earths 9 (Facsimile Edition)
2025–2025
1 issue →