At the Cinema City Theater in Tachikawa, Tokyo has listed that the first and upcoming Kizumonogatari film will be about 60 minutes in terms of total length. However the main website for the movie has not yet confirmed this, now in the past theaters have listed tentative runtime estimates for other movies before, shortly after the official runtimes were announced. Regarding the film the first film is titled Kizumonogatari I: Blood and Iron and is the first of three films that will be releasing January 8th. Now the second movie is 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/. Kizumonogatari I: Blood and Iron is also the 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. Now below is a plot summary of the series 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.