Giant-Size Super-Villain Team-Up #1, FN Marvel Comics Group, 1975 JR1

Giant-Size Super-Villain Team-Up #1 features the first issue of this Marvel series focusing on villains. This debut issue pairs Dr. Doom with the Sub-Mariner in an epic confrontation. The comic promises "3 Titanic Tales of the World's Greatest Super-Foes!" and showcases dynamic artwork typical of Marvel's Bronze Age. It's a landmark issue exploring the potential alliances and conflicts between major Marvel antagonists.