Thanos is another villain who started out as intimidating and just got worse from there. Taking out Hulk and Thor in the first scene of Avengers: Infinity War was impressive
From the moment Hela smashed Mjolnir with her bare hand, she established herself as one of the most powerful beings in the MCU
Kang's power level is hard to judge because no one variant is as impressive as the collective idea of endless Kangs waiting in the multiverse to strike
As the first Celestial villain in the MCU, Ego shows the power of these god-like beings
As the first Celestial villain in the MCU, Ego shows the power of these god-like beings
Erik Killmonger doesn't have powers for most of his time in the MCU, but he's still one of the most effective antagonists in the franchise
Loki was the first villain who was deemed strong enough to take on all the Avengers
Loki was the first villain who was deemed strong enough to take on all the Avengers
Namor is a powerful antagonist who sits somewhere between a true villain and a borderline anti-hero. He is a sympathetic MCU villain,
The villain who inspired the legend of The Mandarin already had high expectations coming into the MCU