Natasha Romanoff / Black Widow (Scarlett Johansson)

2. Black Widow

“First Appearance: Iron Man 2

Hair Color: Red

Eye Color: Green

Background and Characteristics Appearing in our “number two” spot for sexiest redhead characters is the lovely, Black Widow, who made her first appearance in the blockbuster movie, Iron Man 2. Played by the gorgeous Scarlett Johansson, Black Widow (who is sometimes referred to by her alias, Natalia Alianovna Romanoff) is portrayed in the series as a well-trained (and extremely dangerous) spy/assassin who became a key figure in the establishment of the Avengers. Spending much of her early life training with military hardware and equipment, Black Widow was later recruited by the KGB (before the fall of the Soviet Union), but later defected to S.H.I.E.L.D. with the help of Clint Barton. Characte” read more