All 6 DLC characters, 60 S.T.A.R. missions, and 47 DLC skins. It's all included in the Ultimate edition of Injustice: Gods Among Us.
via N4G: pc news feed http://n4g.com/news/1391443/injustice-gods-among-us-ultimate-edition-trailer
via N4G: pc news feed http://n4g.com/news/1391443/injustice-gods-among-us-ultimate-edition-trailer