Marvel's Avengers and Japan's Ultraman crossover in "Ultraman x Avengers" series starting August 14.

Marvel and Tsuburaya Productions' new four-issue limited series, "Ultraman x Avengers," brings Japan's Ultraman and Marvel's Avengers together in a crossover event starting August 14. The series, featuring characters like Spider-Man, marks the first time Ultraman meets the Avengers, both of whom are popular 1960s superheroes. Writers Kyle Higgins and Mat Groom, and artist Francesco Manna will helm the project.