Batman 4K Blu-ray Release
The Batman Quadrilogy is confirmed for 4K Blu-ray finally. Personally I'm waiting for the Steelbook editions.
https://batman-news.com/2019/04/03/batman-quadrilogy-coming-to-4k-uhd-this-year/
BATMAN (1989) 4K UHD Blu-ray REVIEW
https://www.youtube.com/watch?v=zkgLzxiaUA4&feature=youtu.be