WandaVision Details:

A new Disney+ live-action series WandaVision will star Elizabeth Olsen returning as Wanda Maximoff and Paul Bettany reprising his role as The Vision. (source)

Confirmed Cast:

• Elizabeth Olsen: Wanda Maximoff
• Paul Bettany: Vision
• Kat Dennings: Darcy Lewis
• Randall Park: Jimmy Woo
• Teyonah Parris: Monica Rambeau
• Kathryn Hahn: TBD

Confirmed Crew:

• Director: Matt Shakman
• Writer: Jac Schaeffer

I will be adding more details as they are released by Disney, so be sure to check back often.