The IDW Chronological Timeline.

[ToTheNines]

2014:
TMNT #1
TMNT #2
TMNT #3
TMNT #4

"A Lot to Learn" 30th Anniversary Special
TMNT #5
Mirco-series #1: Raphael
Micro-series #2: Michelangelo

2015:
TMNT #6
Micro-series #3: Donatello
Infestation 2: TMNT #1
Infestation 2: TMNT #2

TMNT #7
TMNT #8
Micro-series #4: Leonardo
TMNT #9
TMNT #10
Micro-series #5: Splinter/TMNT #11
TMNT #12

Micro-series #6: Casey Jones
TMNT #13
TMNT #14
TMNT: Annual 2012

Micro-series #7: April O'Neil
TMNT #15
TMNT #16
Micro-series #8: Fugitoid

TMNT #17
TMNT #18
TMNT #19
TMNT #20

Villain Micro-series #1: Krang
Villain Micro-series #2: Baxter
Secret History of The Foot Clan #1-4

TMNT #21
TMNT #22/(***TMNT: Deviations***)
Villain Micro-series #3: Old Hob/TMNT #23
TMNT #24

Villain Micro-series #4: Alopex
Villain Micro-series #5: Karai
TMNT #25
Villain Micro-series #6: Hun/TMNT #26

Villain Micro-series #7: Bebop and Rocksteady
TMNT #27
TMNT #28
Villain Micro-series #8: Shredder

TMNT #29
Utrom Empire #1
TMNT #30
Utrom Empire #2
TMNT #31
TMNT #32
Utrom Empire #3

TMNT: Annual 2014
TMNT #33
TMNT #34
TMNT #35
TMNT #36
TMNT #37
Turtles in Time #1-4

2016:
TMNT #38
TMNT #39
TMNT #40
TMNT/Ghostbusters #1-4

TMNT #41
TMNT #42
TMNT #43
TMNT #44
TMNT #45/Mutanimals #1

Mutanimals #2-4
TMNT #46/"Prelude to Vengeance" FCBD 2015
TMNT #47
TMNT #48
TMNT #49
TMNT #50
Casey & April #1-4

TMNT #51
TMNT #52
TMNT #53
TMNT #54
TMNT #55

TMNT #56
TMNT #57
TMNT #58
TMNT #59
TMNT #60

TMNT #61
TMNT #62
TMNT #63
TMNT #64

Bebop & Rocksteady Destroy Everything #1-5
TMNT Universe #1-4
"Inside Out" TMNTU #1-5
TMNT #65/TMNT Universe #5

2017:
TMNT Universe #6
TMNT #66
"Teenage Mutant Ninja Pepperoni" TMNTU #10
"What is Ninja?" TMNTU #6-9
TMNT Universe #7-8

TMNT #67
TMNT #68
TMNT #69
TMNT #70

TMNT Universe #9-10
TMNT #71
TMNT #72
TMNT/Usagi Yojimbo One-Shot
TMNT Universe #11-15
"Prey" TMNTU #12-15
TMNT Universe #19-20/“Through Red Eyes”

"Prelude to Dimension X" FCBD 2017
TMNT #73
Dimension X #1-5
TMNT #74
TMNT #75

TMNT/Ghostbusters II #1-5

TMNT Universe #16-17/“Triceratots!”
TMNT #76
TMNT #77
TMNT Universe #18
TMNT #78
“How Woody Spent His Triceraton Invasion” TMNTU #21
TMNT #79
TMNT #80
TMNT Universe #21-22/“Dangerous Waters”
“Nobody Cares” TMNTU #23

“Kingdom of Rats Prelude” TMNTU #19
TMNT #81
TMNT #82
TMNT #83
TMNT #84

Macro-series #1: Donatello
Macro-series #2: Michelangelo
“Mutagen Maintenance” TMNTU #18
TMNT Universe #23-24/“Life at Sea”
TMNT #85
TMNT Universe #25

TMNT #86
TMNT #87
TMNT #88
Bebop and Rocksteady Hit The Road #1-5
Macro-series #3: Leonardo

TMNT #89
Macro-series #4: Raphael

2018:
TMNT #90
TMNT #91
TMNT #92
TMNT #93
“Casualty of War” FCBD 2019
TMNT #94
TMNT #95
TMNT #96
TMNT #97
TMNT #98
TMNT #99
Shredder in Hell #1-5
TMNT #100

(Credit to hypered1 from 101-onward)

#101
Annual 2020

2019:
#102 - #105
Jennika 1 - 3 (The Cure for You)
#106 - #112
Jennika II 1 - 3 (Monsters)
#113 - #117
Jennika II 4 - 6 (Redemption)
#118 - #124

2020:
Annual 2021
#125 - #130
FCBD 2022
The Armageddon Game Opening Moves 1 - 2
#131 - #132
Annual 2022
The Armageddon Game #1
#133
The Armageddon Game #2
The Armageddon Game - The Alliance #1
#134
The Armageddon Game #3
#135
The Armageddon Game - The Alliance #2
The Armageddon Game - The Alliance #3
The Armageddon Game #4
#136
The Armageddon Game - The Alliance #4
The Armageddon Game #5
#137
The Armageddon Game - The Alliance #5
The Armageddon Game #6
#138
The Armageddon Game - The Alliance #6
The Armageddon Game #7
#139
The Armageddon Game #8