"The Culling Game Part 2" is currently in production at MAPPA
Frantic Anime Brief
Frantic Anime is tracking “JUJUTSU KAISEN Season 4 Anime Reveals Super Teaser Visual”. This update is filed under New Seasons & Sequels, Announcements, Trailers & Teasers. Related developments will stay grouped on Frantic Anime so readers can follow the story without leaving the newsroom.
Reporting provenance: Crunchyroll News.