5. Black Widow (aka Natasha Romanoff)
Portrayed by: Scarlett Johansson
Origin: A Soviet spy and assassin born in Stalingrad, Russia
Powers: Gymnastic and athletic prowess, weapons expert and biotechnological enhancement makes her body resistant to age and injury
With a bod like Scarlett's and an alias like Black Widow, it's no surprise this dangerous lady can kill bad guys left and right.
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