DC Comics

DOCTOR DIEHARD

APPEARANCES

SERIES

FIRST APPEARANCE

1ST APPEARANCE

Justice League Europe #15

June 1990

Earliest catalogued appearances of Lord Havok, Gorgon (DC), Tracer, and 2 more.

KEY APPEARANCES

All 33 appearances.

1st APP

Justice League Europe #15

Earliest catalogued appearances of Lord Havok, Gorgon (DC), Tracer, and 2 more.

Jun 1990

No listings

APPEARS

Justice League Europe #16

Jul 1990

No listings

APPEARS

Justice League Europe #17

Aug 1990

No listings

APPEARS

Justice League Europe #18

Sep 1990

No listings

APPEARS

Justice League Europe #19

Oct 1990

No listings

APPEARS

Justice League Quarterly #3

Jun 1991

No listings

APPEARS

Justice League America #57"The Descent of... Despero!"

Dec 1991

No listings

APPEARS

Justice League Europe #34

Jan 1992

No listings

APPEARS

Justice League Europe #35

Feb 1992

No listings

APPEARS

JLA Secret Files #1

Earliest catalogued appearance of Hourman (Matthew).

Sep 1997

No listings

APPEARS

Supergirl #15"Gods of The Twilight"

Nov 1997

No listings

APPEARS

Supergirl #16"Blonde Justice"

Dec 1997

No listings

APPEARS

Avengers / JLA #4

May 2004

No listings

APPEARS

Countdown #29

Earliest catalogued appearance of Barracuda.

Oct 2007

No listings

APPEARS

Countdown #28

Oct 2007

No listings

APPEARS

Countdown #27

Oct 2007

No listings

APPEARS

Countdown #26

Earliest catalogued appearance of Solomon.

Oct 2007

No listings

APPEARS

Countdown Presents: Lord Havok & the Extremists #1

Dec 2007

No listings

APPEARS

Countdown Presents: Lord Havok & the Extremists #2

Jan 2008

No listings

APPEARS

Countdown Presents: Lord Havok & the Extremists #3

Feb 2008

No listings

APPEARS

Countdown Presents: Lord Havok & the Extremists #4

Mar 2008

No listings

APPEARS

Countdown Presents: Lord Havok & the Extremists #5

Apr 2008

No listings

APPEARS

Convergence Supergirl: Matrix #1"Who the Hell is Lord Volt?!"

Jun 2015

No listings

APPEARS

Convergence Titans #1

Jun 2015

No listings

APPEARS

Convergence Action Comics #1

Jun 2015

No listings

APPEARS

Convergence Worlds' Finest #1

Jun 2015

No listings

APPEARS

Convergence #6

Jul 2015

No listings

APPEARS

Convergence #7

Jul 2015

No listings

APPEARS

Convergence Titans #2

Jul 2015

No listings

APPEARS

Justice League of America #1"The Extremists Part One"

Apr 2017

No listings

APPEARS

Justice League of America #2"The Extremists Part Two"

May 2017

No listings

APPEARS

Justice League of America #25"New Life and Death Part One"

Apr 2018

No listings

APPEARS

Justice League of America #26"New Life and Death Conclusion"

May 2018

No listings

CREATORS

Writers and artists on Doctor Diehard's earliest appearances.

Gerard Jones Bart Sears Frank Tieri Randy Elliott Liam Sharp Paul Dini Steve Orlando José Marzán Jr.

SERIES

Avengers / JLA

2 issues

Convergence

10 issues

Convergence Action Comics

2 issues

Convergence Supergirl: Matrix

2 issues

Convergence Titans

2 issues

Convergence Worlds' Finest

2 issues

Countdown

51 issues

Countdown Presents: Lord Havok & the Extremists

6 issues

JLA Secret Files

3 issues

Justice League America

89 issues

Justice League Europe

50 issues

Justice League of America

29 issues