Update #2 : More photos added. Go here!
Update #1 : 3 new colors of Rising Battle Raiden will be exhibited also at New York Toy Fair 2013. Red, Blue & Yellow!
Three new members are joining the MGS Play Arts Kai family. Kojima has just posted some new images of the Legendary Liquid Snake (with portable missile launcher) and MGS2 Old Raiden (with a sword, necklaces, replacement hand parts and Raiden mask) figures, both figures will be announced at the Square Enix booth in "New York Toy Fair 2013" on February.
Also, Kojima posted a secret Snake figure image, looks like this could be new Snake from MGS5... The figure will be announced in the "Wonder Festival 2013" on Feb 10.