SNK took advantage of PAX East to reveal that Metal Slug XX is coming back, now on PlayStation 4. According to DualShockers the game will be releasing this summer via PlayStation Network, although no additional information has yet to be announced.
Metal Slug XX was first released on Nintendo 3DS as Metal Slug 7, coming then to PSP and Xbox 360 under the new title. We expect a formal press release and further details soon.