Peggy Carter is a fictional character appearing in American comic books published by Marvel Comics. She was created by writer Stan Lee and artist Jack Kirby, and first appeared in Tales of Suspense #77 as a World War II love interest for Captain America. Initially depicted as a brave resistance fighter in Nazi-occupied France, the character was later retroactively established as the aunt of modern-day S.H.I.E.L.D. agent Sharon Carter.
Over the decades, Peggy Carter evolved from a wartime supporting character into a more prominent figure within Marvel's espionage lore. Her backstory was expanded to include her role as a covert operative with the French Resistance and later as an agent of the Strategic Scientific Reserve. The character's legacy within the Marvel Universe is deeply tied to the founding of S.H.I.E.L.D., often being portrayed as a pioneering female agent in a male-dominated intelligence community during the mid-20th century.
In the 2000s, writers such as Ed Brubaker deepened her history, exploring her post-war life and her connections to the modern Marvel Universe. Her significance grew to the point where alternate universe versions of the character, such as Captain Carter, took on the mantle of Captain America herself. The character's blend of vintage espionage style, combat proficiency, and emotional resilience has made her a lasting symbol of the Greatest Generation within the Marvel pantheon.