While the wait for the upcoming first of three Kizumonogatari films continues, it has been confirmed that the second of the movies will be releasing in Japan Summer 2016. This was confirmed on the official website for the film, the second film is titled Kizumonogatari II: Passionate Blood. Now for the first Kizumonogatari film titled Kizumonogatari I: Blood and Iron, that film will be releasing January 8th with an estimated runtime of 60 minutes. As stated already the second film will be titled Passionate Blood and the final film Cold Blood. The website for the film is in the following link and originally debuted back in 2011:http://www.kizumonogatari-movie.com/. The film is a prequel to the entirety of the series set before Bakemonogatari and the upcoming movie adapts source material from the Monogatari series first season light novel. The light novel would release 6 volumes between the dates of November 1st 2006 and July 28th 2010. A plot summary of the series is below quoted from MAL:
The story centers on Koyomi Araragi, a third year high school student who has recently survived a vampire attack, and finds himself mixed up with all kinds of apparitions: gods, ghosts, myths, and spirits.