7 Reasons Thanos Is Marvel’s Greatest Villain

7 Reasons Thanos Is Marvel’s Greatest Villain

Thanos is one of Marvel's most popular villains, but more than that, an argument can be made that Thanos is Marvel's greatest villain.

Thanos is a villainous legend, having become one of the most popular villains in the world due to his appearances in the Marvel Cinematic Universe.

Comic fans have known about his greatness for decades, since his first appearance in Invincible Iron Man #55, where creator Jim Starlin made him into one of the premiere cosmic villains in the Marvel Universe.

Thanos's nihilism and desire for ultimate power have made him an enemy of every champion of life, earning him the fear and respect of every hero in the Marvel Universe.

Marvel has created some of the greatest villains ever, but there are some who would say that Thanos is the greatest Marvel villain.

Author's summary: Thanos is Marvel's greatest villain due to his legend and impact.

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ComicBook.com ComicBook.com — 2025-10-17