Mai Shiranui missed out on The King of Fighters XII, but she will be back in action in The King of Fighters XIII. You can check out her announcement image after the jump.
Kotaku also caught some of the first footage of The King of Fighters XIII. Unfortunately, it is very small and low quality so it is difficult to see what exactly is going on. Be sure to jump over there and check it out.
The King of Fighters XIII is planned for a Summer release for arcades in Japan, but a console version has yet to be announced.
(Mai Announcement: Siliconerea)