Black Adam was originally set to be the villain of Shazam! 1 / 7
That was before Dwayne Johnson suggested a change. 2 / 7
He wanted Black Adam to get an origin movie of his own. 3 / 7
So, Shazam and Black Adam's origins were split into two movies. 4 / 7
Shazam fought Sivana in his movie. 5 / 7
A Black Adam movie is still in development though... 6 / 7
So we'll have to wait for a future movie to see them fight. 7 / 7