Natasha Romanoff (Black Widow)

Natasha Romanoff, known as Black Widow, is a highly skilled spy and martial artist in the Marvel Universe. Originally a Russian operative, she defects to join S.H.I.E.L.D. and later becomes a key member of the Avengers. She excels in hand-to-hand combat, espionage, and infiltration, using her agility and intelligence to outsmart enemies. Despite her dark past as a former assassin, she seeks redemption and justice. Black Widow's character combines toughness, resourcefulness, and emotional depth, making her a vital and complex hero in the Marvel stories.