Blasting into theaters June 17, 2022, Lightyear is the definitive story of the original Buzz Lightyear. Voiced by @ChrisEvans, get ready to go to “infinity and beyond” with Lightyear. 🚀 👨🚀 pic.twitter.com/LdYXlN33sP— Pixar (@Pixar) December 11, 2020
They need to keep reusing the IP so that it never sees the public domain (even if that's 100-something years in the future). Also it's cheaper