https://www.comicbookmovie.com/black_adam/jsa-movie-reportedly-being-considered-at-warner-bros-may-be-dependent-on-black-adams-reception-a175550
Cool we will see
That would be a nice alternative while they still get things straightened out with Justice League.
A report said that WB is hoping to do spinoffs from Black Adam. A Justice Society movie could be one of them.