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Key Facts
City At War: Part 2 of a 13-issue story arc
Key Facts
1st appearance of Jennika, later becomes the first female Teenage Mutant Ninja Turtle in story continuity
Key Facts
1st appearance of Jennika, later becomes the first female Teenage Mutant Ninja Turtle in story continuity
Key Facts
Variant cover art by Kevin Eastman
Artist's edition
Key Facts
Variant cover art by Kevin Eastman
Artist's edition
Key Facts
Blank sketch variant
Key Facts
Variant cover art by Ian Nichols
Rhode Island Comic Con 2015 exclusive
Key Facts
Variant cover art by Ian Nichols
Rhode Island Comic Con 2015 exclusive
Key Facts
Variant cover art by Kevin Eastman
Store exclusive
Key Facts
1st cameo appearance of Karai, Shredder's granddaughter
City At War: Part 3 of a 13-issue story arc
Key Facts
1st cameo appearance of Karai, Shredder's granddaughter
City At War: Part 3 of a 13-issue story arc
Key Facts
Identity of Jennika revealed
Key Facts
Variant cover art by Ibrahim Moustafa
Teenage Mutant Ninja Turtles #52
Non-Key
Convention Exclusive ⋅ IDW ⋅ 2015
Key Facts
1st full appearance of Karai, Shredder's granddaughter
City At War: Part 4 of a 13-issue story arc
Key Facts
1st full appearance of Karai, Shredder's granddaughter
City At War: Part 4 of a 13-issue story arc
Key Facts
City At War: Part 5 of a 13-issue story arc
Key Facts
City At War: Part 6 of a 13-issue story arc
Key Facts
1st cover appearance of Karai, the granddaughter of Shredder
Karai appears in costume
City At War: Part 7 of a 13-issue story arc
Key Facts
1st cover appearance of Karai, the granddaughter of Shredder
Karai appears in costume
City At War: Part 7 of a 13-issue story arc
Key Facts
City At War: Part 8 of a 13-issue story arc
Teenage Mutant Ninja Turtles #57
Non-Key
Convention Exclusive ⋅ IDW ⋅ 2016
Key Facts
Death of Gabe Jones, the wife of Casey who dies during childbirth in this issue
First mention of Casey's daughter, Shadow (not biological) who he and April will later adopt
City At War: Part 9 of a 13-issue story arc
Key Facts
Death of Gabe Jones, the wife of Casey who dies during childbirth in this issue
First mention of Casey's daughter, Shadow (not biological) who he and April will later adopt
City At War: Part 9 of a 13-issue story arc
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