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Batwoman Series

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Detective Comics #524
DC ⋅ 1983
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Detective Comics #524
 
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Key Facts

1st full appearance of Killer Croc

Batman #357 is commonly cited as Killer Croc's first appearance but he appears no different in his first cameo appearance in Detective Comics #523 than he does in Batman #357. In this issue, it is revealed that the previously obscured figure has crocodile features

2nd cameo appearance of Jason Todd, in one panel, mentioned by name

Batman #49
DC ⋅ 1948
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Batman #49
 
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$3.1k
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Key Facts

1st appearance of the Mad Hatter, Jervis Tetch

1st appearance of Vicki Vale

Batman #181
DC ⋅ 1966
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Batman #181
 
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$600
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$1.8k
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$6k

Key Facts

1st appearance of Poison Ivy, Pamela Isley

Interior pin-up poster of Batman and Robin included

Batman #475
DC ⋅ 1992
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Batman #475
 
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$1
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$2
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$9

Key Facts

1st appearance of Renee Montoya, later becomes the second Question

[ 2021 - Montoya is a character in Batwoman Season 3]

Detective Comics #743
DC ⋅ 2000
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Detective Comics #743
 
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$1
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$2
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$8

Key Facts

1st appearance of Whisper A'Daire, a loyal agent in the employ of Ra's al Ghul

1st appearance of Kyle Abbot, Whisper's bodyguard who is also a shape-shifter

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