I am the Mighty Mazinger Z! (1991)

Release Date: 1991-04-24
Runtime: 0h 45min
Production Company: Dynamic Planning
Production Country: Japan
Director: Umanosuke Iida
Writer: Umanosuke Iida

Various characters from Go Nagai works including Devil Man, Mazinger, and Violence Jack, become trapped in a parody world where they all be come super deformed. They get trapped in this mishmash, fighting each other and are trying to figure a way back to their own world.