According to Weekly Shonen Jump vol.48 (official release date: October 26th), a movie of "Gintama
" was announced. The detail and the type of the movie will be given in the next issue.
Source: Scan of Weekly Shonen Jump
Updated on Oct 29th
At the end of Gintama anime episode 181, "Gekijyoban Gintama Shin-yaku Benizakura-hen (Gintama Movie Crimson Sakura Chapter New Edition)" was announced to be premiered in 2010.
Source: Screenshot of the announcement