Amazon has put up product pages for Reign Of The Supermen, revealing the release date. According to the listings the 4K Ultra HD + Blu-Ray Set and Blu-Ray + DVD Set will be coming out on January 29, 2019, in the North American region. If you are interested, you can preorder the upcoming animated movie with the following links from the online retailer:
You can also check out the packaging for the 4K release below:
So, if you are a fan of the DC Universe movies, then you might want to check out the upcoming Reign Of The Supermen.