Low $4
 | 
Mid $10
 | 
High $40
  • Origin of Thanos and Gamora
  • Battle of Thanos vs Magus
  • 1st full appearance of the In-Betweener
  • 1st appearance of Sanctuary (Thanos' Citadel)
Details
Publisher Marvel
Published Dec 1975
Written By Jim Starlin
Illustrated By Jim Starlin