Iron Man Volume 1 #55

1st appearance of Thanos.

1st appearance of Drax the Destroyer, created by Kronos to destroy Thanos.

1st appearance of Eros AKA Starfox.

1st appearance Kronos, Grandfather of Thanos.

1st appearance of Mentor, father of Thanos.

1st appearance of Kronus

Stock image, for more photos please inquire.