Determining the “most powerful” Avenger is subjective, depending on how you define power. Currently, Scarlet Witch wields immense reality-warping magic, potentially exceeding Doctor Strange’s sorcery. However, Captain Marvel boasts near-invulnerability and cosmic energy blasts. Thor, as a god, possesses immense strength and lightning manipulation. Ultimately, their strengths and weaknesses create a complex dynamic, making a definitive answer almost impossible in 80 words.
