The Lord of the Rings: The War of the Rohirrim will finally give a Lord of the Rings trilogy character the attention and appreciation they deserve. The upcoming 2024 film is set nearly 200 years before the events of Frodo's story, so there will be a limited number of mortal LOTR characters around during this time. However, this isn't to say there won't be some familiar faces (or voices) in War of the Rohirrim. Not only can audiences expect the return of one of the characters, but the prequel movie will change how you feel about their role in the overarching story.

https://screenrant.com/lotr-war-rohirrim-eowyn-justice-two-towers/