Detective Comics #523 - First appearance of Killer Croc

Batman #357

Detective Comics #524

Batman #358

Detective Comics #525

Batman #359

Detective Comics #526

Batman #471

Batman #489

Detective Comics #660

Batman #512

Batman #521
Batman #522

Batman Chronicles #3

Batman #608
Batman #609
Batman #610

Batman #620
Batman #621
Batman #622
Batman #623
Batman #624
Batman #625

Detective Comics #799

Legends of the Dark Knight #184

Batman: Gotham Knights #58

Detective Comics #800

Batman #642

Detective Comics #808
Detective Comics #809
Detective Comics #810

Detective Comics #819

Joker’s Asylum: Killer Croc #1 (2010)

Red Hood and the Outlaws #3

Batwoman Vol. 2 #6
Batwoman Vol. 2 #7
Batwoman Vol. 2 #8
Batwoman Vol. 2 #9
Batwoman Vol. 2 #10
Batwoman Vol. 2 #11
Batwoman Vol. 2 #12
Batwoman Vol. 2 #13
Batwoman Vol. 2 #14
Batwoman Vol. 2 #15
Batwoman Vol. 2 #16
Batwoman Vol. 2 #17

Batman and Robin Vol. 2 #23.4 - Killer Croc

Forever Evil: Arkham War #1 (2013)
Forever Evil: Arkham War #2
Forever Evil: Arkham War #3
Forever Evil: Arkham War #4
Forever Evil: Arkham War #5
Forever Evil: Arkham War #6

Batman Eternal #18
Batman Eternal #19
Batman Eternal #20

Batman Eternal #37
Batman Eternal #38
Batman Eternal #39
Batman Eternal #40

Suicide Squad: Rebirth #1 (2016)

Suicide Squad Vol. 5 #1 (2016)
Suicide Squad Vol. 5 #2
Suicide Squad Vol. 5 #3
Suicide Squad Vol. 5 #4
Suicide Squad Vol. 5 #5
Suicide Squad Vol. 5 #6
Suicide Squad Vol. 5 #7

Read Justice League vs. Suicide Squad here.

Suicide Squad Vol. 5 #11
Suicide Squad Vol. 5 #12
Suicide Squad Vol. 5 #13
Suicide Squad Vol. 5 #14
Suicide Squad Vol. 5 #15
Suicide Squad Vol. 5 #16
Suicide Squad Vol. 5 #17
Suicide Squad Vol. 5 #18
Suicide Squad Vol. 5 #19
Suicide Squad Vol. 5 #20
Suicide Squad Vol. 5 #21
Suicide Squad Vol. 5 #22
Suicide Squad Vol. 5 #23
Suicide Squad Vol. 5 #24
Suicide Squad Vol. 5 #25
Suicide Squad Vol. 5 #26
Suicide Squad Vol. 5 #27
Suicide Squad Vol. 5 #28
Suicide Squad Vol. 5 #29
Suicide Squad Vol. 5 #30
Suicide Squad Vol. 5 #31
Suicide Squad Vol. 5 #32
Suicide Squad Vol. 5 #33
Suicide Squad Vol. 5 #34
Suicide Squad Vol. 5 #35
Suicide Squad Vol. 5 #36
Suicide Squad Vol. 5 #37
Suicide Squad Vol. 5 #38
Suicide Squad Vol. 5 #39
Suicide Squad Vol. 5 #40
Suicide Squad Vol. 5 #41
Suicide Squad Vol. 5 #42
Suicide Squad Vol. 5 #43
Suicide Squad Vol. 5 #44

Suicide Squad Vol. 5 Annual #1 (2018)

Suicide Squad Vol. 5 #45

Aquaman Vol. 8 #39

Suicide Squad Vol. 5 #46

Aquaman Vol. 8 #40

Suicide Squad Vol. 5 #47
Suicide Squad Vol. 5 #48
Suicide Squad Vol. 5 #49
Suicide Squad Vol. 5 #50

Gotham City Monsters #1 (2019)
Gotham City Monsters #2
Gotham City Monsters #3
Gotham City Monsters #4
Gotham City Monsters #5
Gotham City Monsters #6

Poison Ivy #13
Poison Ivy #14
Poison Ivy #15
Poison Ivy #16
Poison Ivy #17
Poison Ivy #18
Poison Ivy #19
Poison Ivy #20
Poison Ivy #21
Poison Ivy #22
Poison Ivy #23
Poison Ivy #24
Poison Ivy #25
Poison Ivy #26
Poison Ivy #27
Poison Ivy #28