Steve Rogers' and Peggy Carter's relationship has been around in the MCU film canon almost since the very beginning. Their ...

He fell in love with Peggy Carter, lost her, and ended up with her again in the end. Marvel's Captain America movies had betrayals, shocking reveals, and more that shook Steve to his core.

After returning from a timeline where he got his happy ending with Peggy Carter, Captain America returned to the present day as an old man and presented Sam Wilson with a new shield.