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Thanos' Carnage Redesign is Marvel's Scariest Symbiote
When it comes to killers in the Marvel Universe, Thanos and Carnage are probably some of the first names that come to mind. Carnage is the result of a symbiote bonding with serial killer Cletus Kasady, creating a rather scary villain in Spider-Man's rogue gallery. Thanos is a genocidal cosmic warlord best known for instantly wiping out half of all life in the universe. Imagine what would happen if they combined into one terrifying being.