The timeline of Steve Rogers and Peggy Carter's relationship in the MCU is surprisingly complex, and although they've only shared the screen in a few movies, they quickly became one of the franchise's most beloved couples. The pair were first introduced in Captain America: The First Avenger, where Peggy worked on the Project Rebirth program that saw Rogers injected with the Super Soldier Serum. From there, the pair worked together in the battle against HYDRA and soon developed strong romantic feelings toward each other. Their dynamic was one of the best things about Marvel's Phase 1, even though certain aspects didn't turn out as successfully as they could've.
Read full story on screenrant