The Witcher: Nightmare of the Wolf (Anime Movie)

The Witcher: Nightmare of the Wolf was announced by Netflix on 22 January 2020 as one of their next projects by Lauren Schmidt Hissrich and Beau DeMayo. It is planned as a feature animation movie by "Studio Mir", the Korean animation studio, which already was responsible for "The Legend of Korra" and "Voltron: Legendary Defender".
 * A new Netflix Tweet from January 30, 2020, revealed, the animated movie will focus on Vesemir's story.

Summary
"Long before mentoring Geralt, Vesemir begins his own journey as a witcher after the mysterious Deglan claims him through the Law of Surprise"

- Official description from the Netflix Tweet