According to the K-Project
official Twitter, another sequel has been announced for 2015. The story will continue from where the movie
left off, but it hasn't been revealed yet whether the sequel will be a second TV series or another movie. The announcement was made at the anime's event K -In this place again-
that was held today.
The BD and DVD of K: Missing Kings
will be released in April 2015.
Source: Tweet 1
, Tweet 2