Judy Buenoano, who was nicknamed the "Black Widow," was executed on March 30, 1998.

Marvel's Black Widow is a thrilling, though heavy-handed, espionage take on Marvel’s standard fare that adds tragic depth to Natasha Romanoff’s superhero story.

From Black Widow to Captain Marvel to Scarlet Witch, you can learn a lot about the female heroines of the MCU from their hair.