Showcase (1956)
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Key Facts
2nd appearance of Doom Patrol
Origin of Celsius
Key Facts
Origin of Power Girl
First solo Power Girl issue
1st appearance and death of Zor-L, Allura and In-Z
Key Facts
Origin of Power Girl
First solo Power Girl issue
1st appearance and death of Zor-L, Allura and In-Z
Key Facts
Milestone issue #100
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