According to a press release Aksys Games fired off today, the fighter will be available in North America on May 26 as both a standalone digital and physical release (PS4 only) and a digital upgrade (PS3 and PS4).
Earlier this month Arc System Works confirmed plans for Guilty Gear Xrd REV 2 to launch in Japan on May 25, and the western release will be hot on its heels.
Guilty Gear Xrd REV 2 adds in new fighters, moves, story chapters, and more, including all the previously-released -REVELATOR- DLC.