A Detective Comics #1000 retailer variant from KRS Comics.
A Riccardo Federico retailer variant for ComicXposure.
The black-and-white version of the Kaare Andrews cover for Third Eye Comics
And a colour version of the Jay Anacleto cover, now we know it's for Unknown Comics. Which has garnered quite a few responses… now officially known as the Batmanspreading Harem variant…