Key Collector Comics

Detective Comics  (1937)

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Detective Comics #523
DC ⋅ 1983
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Detective Comics #523
 
Low
$2
Mid
$5
High
$15

Key Facts

1st cameo appearance of Killer Croc

Detective Comics #524
DC ⋅ 1983
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Detective Comics #524
 
Low
$5
Mid
$18
High
$70

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

Detective Comics #525
DC ⋅ 1983
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Detective Comics #525
 
Low
$4
Mid
$12
High
$40

Key Facts

3rd full appearance of Killer Croc

1st full appearance of Jason Todd

Many sources cite Batman #357 as Jason Todd's first full appearance even though his appearance is brief and he is not introduced by name

Detective Comics #529
Non-Key
DC ⋅ 1983
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Detective Comics #529
 
Low
$1
Mid
$2
High
$3

Key Facts

Non-Key Issue. No additional information is available.

Detective Comics #539
Non-Key
DC ⋅ 1984
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Detective Comics #539
 
Low
$1
Mid
$2
High
$3

Key Facts

Non-Key Issue. No additional information is available.

Detective Comics #562
Non-Key
DC ⋅ 1986
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Detective Comics #562
 
Low
$1
Mid
$2
High
$3

Key Facts

Non-Key Issue. No additional information is available.

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