Doctor Margaret Alexandra "Peggy" Carter, also known as Agent 13 and The Dryad, is a fictional character and superheroine in Marvel Comics. She has appeared as a major character in the Captain America comics, acting as his ally, love-interest and partner on occasions during World War II. Though she initially passed away due to her advanced age, she would be revived by the Cosmic Cube Kobik, and became the leader of the Daughters of Liberty.
She was created by the late Stan Lee, the late Jack Kirby and the late John Romita Sr., and first appeared in Tales of Suspense #75 in March of 1966.
In the Marvel Cinematic Universe (MCU) franchise, she is portrayed and voiced by actress Hayley Atwell.