You can reach out directly to the creators at Anthill Studios to see if they sell or distribute official promotional press kits or physical posters.
If official physical copies are unavailable, you can download high-resolution marketing assets from verified databases like IMDb and use custom printing platforms to make your own high-quality cardstock poster. Hey You (2022)
Reach out to the movie's theatrical distributor, FilmOne Entertainment , as they handle the printed marketing materials for theater runs. You can reach out directly to the creators