Dwayne Johnson thinks ‘Black Adam’ will start filming in late 2019. br br The 'Jumanji: Welcome to the Jungle' star insists the movie about the DC Comics super villain is coming soon.br br He said: “Black Adam possibly at the end of next year. It's coming along great, the script is coming along great we're very happy with it."br br And the 46-year-old actor has hinted that there could be some special cameos in the film too.br br "Without giving anything away, there might be maybe a cameo or two of some of the other DC superheroes. We'll see.