Studio marketing for two high-profile genre projects intensified on Monday, as new images from the feature film “Mortal Kombat II” and the animated miniseries “Marvel Zombies” were released online. The second installment of the video-game adaptation “Mortal Kombat II” is slated for U.S. theatrical release on October 24, according to promotional material shared by entertainment outlets. Separately, Marvel Studios confirmed that all four episodes of “Marvel Zombies” will debut on Disney+ on September 24, providing the first extended look at the series that reimagines familiar superheroes in a post-apocalyptic setting.