Iron Man #55

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

Issue Details

Publisher Marvel
Artist Jim Starlin
Writer Jim Starlin
Published February 1973