Nova  (1976)

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Marvel ⋅ 1977

Low
$1
Mid
$2
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$7

Key Facts

1st appearance of Sphinx, powered by the Ka Stone

1st appearance of Megaman, a human transformed by aliens

Marvel ⋅ 1978

Low
$1
Mid
$2
High
$5

Key Facts

1st full appearance of Comet

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