According to reports, the trailer for the big screen adaptation of the video game 'Rampage' starring Dwayne 'The Rock' Johnson, will debut in theatres alongside the 'Justice League' movie. According website TrailerTrack, the first 'Rampage' trailer has been rated by the Manitoba Film Classification Board, hinting it could make its way online next week. The movie stars the former WWE star as Davis Okoye, a primatologist who joins forces with a genetic engineer played by actress Naomie Harris, in order to stop a trio of giant monsters created by a genetic experiment gone wrong.