Bless his heart to 3000, but Chris Evans is not the person to go to for Avengers: Endgame timeline continuity questions. And he really won’t know what to say when you ask if Steve Rogers went “Alabama” with Peggy Carter‘s niece, Sharon Carter. However, Evans did land on some nice compliments for the Marvel Cinematic Universe storytellers, and Don Cheadle jumped in with a decent enough timeline explanation. Also, the Russo Brothers provided a longer explanation on the Steve/Peggy front.
Article source: https://www.cinemablend.com/news/2475833/watch-chris-evans-struggle-to-explain-avengers-endgames-steve-and-peggy-timeline-continuity