The movie ends with Ross in prison on the Raft, along with The Leader, as Sam tells the Falcon he needs to train up to help him bring the Avengers back. That's a wrap on Marvel Phase 5.
Most of these phase 5 projects have been in the pipeline now ... The movie's title comes from the first episode title from Falcon and the Winter Soldier, and apart from that, not much is known ...
“And last time [in ‘The Falcon and the Winter Soldier’], I ... 2021 and was originally slated to release in 2023 when Phase 5 of the MCU was announced at Comic-Con in 2022.