MARVEL COMICS, February 1973
1st appearance of Thanos
1st appearance of Eros/Starfox, brother of Thanos
1st appearance of Kronos, Grandfather of Thanos
1st appearance of Mentor, father of Thanos
1st appearance of Drax the Destroyer
1st appearance of the Blood Brothers
Huge Key Issue!
VF+/VF/NM