The Rock confirmed Wednesday on Twitter that he will play the role of Black Adam in the upcoming DC Comics film. You can read his Tweet below:
— Dwayne Johnson (@TheRock) September 3, 2014
Dot com penned an article about it at this link. In their piece, they tease a Marvel vs. DC showdown at Wrestlemania 31 featuring Drax the Destroyer (played by Batista in Guardians of the Galaxy vs. Black Adam (The Rock). The possibility is there.