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Key Facts

1st full appearance of Heartless

Melinda Zucco revealed to be Dick Grayson's sister

Key Facts

1st team appearance and origin of the Teenage Mutant Ninja Turtles: Donatello, Leonardo, Raphael, Michelangelo

1st appearance of Splinter, the Turtles' mentor

1st appearance and death of the Shredder

First printing: 3,000 copies

Key Facts

1st appearance of Hercules

1st appearance of Zeus

Versions of the Olympians have appeared previously in different Timely and Marvel comics but the versions of the characters introduced here consistently maintain an ongoing continuity

First battle of Thor vs Hercules

[August 2022 - rumored solo project in the works titled Hercules: Rise of the Gods]

DC ⋅ 1999

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$3

Key Facts

Series referenced by Geoff Johns as the inspiration for the Stargirl series

2nd full appearance of Atom Smasher

Aviation ⋅ 1946

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$1.2k
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$4k
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$12k

Key Facts

Cover art by L.B. Cole

Key Facts

1st appearance of Gigi Cusimano, a member of the Science Police and ally of the Legion of Super-Heroes

St. John ⋅ 1954

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$580
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$1.7k
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$5.8k

Key Facts

Cover art by Matt Baker

Key Facts

1st appearance of Scream

1st cameo appearance of Agony

1st cameo appearance of Lasher

1st cameo appearance of Phage

1st cameo appearance Riot

2nd Print ⋅ DC ⋅ 2004

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Key Facts

Second printing

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$4

Key Facts

1st appearance of Weeping Lion, two men with a vengeance against Black Widow who killed their uncle

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