Did Ming Na Wen just Reveal Mace Windu's Return?

Did Ming Na Wen just Reveal Mace Windu's Return? Today in a live interview, actress Ming Na Wen had some interesting things to say about Star Wars, Disney, Samuel L. Jackson, and more! Did she reveal too much?

Thank you to members Matt Rissman and Daryl the Derelct for the tip!
See Daryl's video here! https://www.youtube.com/watch?v=QYH1PO_Uw0Q