It's finally happening. The first Marvel Cinematic Universe series will be coming to Disney+ at the start of the year. WandaVision's first episode will stream on the service on January 15, 2021. The six-episode show will focus on the relationship between Scarlett Witch (played by Elizabeth Olsen) and Vision (Paul Bettany) following the events of Avengers: Endgame.
You can expect to see some familiar faces from MCU, including Darcy Lewis (Kat Dennings) from Thor and Thor: The Dark World and Agent Jimmy Woo (Randall Park) from Ant-Man and The Wasp. They will also be joined by Kathryn Hahn and Teyonah Parris, who will play the adult version of Monica Rambeau (featured in Captain Marvel).
Source: Engadget