Injustice: Gods Among Us won't be heading to Xbox One however. The PS4 port is being led by High Voltage and includes specific enhancements. They had me at 'PC'.
Injustice: Gods Among Us Ultimate Edition releases November 12th in the US, 29th in EU. It includes the original game as well as all released downloadable content.
Sony reveal DualShock 4 controllers, but unfortunately don't support Touchpad functionality.