Iron Man  (1968)

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Marvel ⋅ 1973

Key Facts

1st appearance of Thanos, an Eternal from Titan born with the Deviants gene

1st cameo appearance of Eros aka Starfox, brother of Thanos

1st appearance of Kronos, Grandfather of Thanos

1st appearance of Mentor, father of Thanos

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1st appearance of Drax the Destroyer, created by Kronus to kill Thanos

1st appearance of the Blood Brothers

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