Amazon Prime released a very short clip of the upcoming show.

https://www.wotseries.com/2021/03/16/new-amazon-wotonprime-teaser-moiraine/

There is also a related Q&A:

https://www.wotseries.com/2021/03/17/rafe-judkins-moiraine-reveal-qa/

Rafe Judkins Moiraine Reveal Q&A - Wheel of Time TV Series NewsWheel of Time TV Series News

New WOT On Prime Teaser (Plus All The Rest) - Wheel of Time TV Series NewsWheel of Time TV Series News