I hope The Rock knows that Black Adam is a supervillain, not a superhero. He already played bad guy from The Mummy Returns and Doom.

The director tried to make Shazam as a stand alone movie as hard as possible. If Superman help Shazam, then it will become like Spiderman Homecoming, at the ferry scene where Iron Man helped Spiderman and overall plot was about Spiderman hope to join Avengers (in Shazam case, it will be about Billy Batson wanted to join Justice League).

DCEU just need a good writer and director, hence dont too rush with movies featuring multiple superheroes in one i.e JL.

Well, when Jason Momoa went for a screen test for Batman vs Superman, he thought that it was supposed to be the role of Lobo, because his appreance and bodyshape very similar as Lobo. But he quite suprised that the screentest was for Aquaman role instead. The irony about Jason Momoa and Lobo is Momoa was a fans of rock and heavy metal music and he can play guitar. There was a video of him showing his skills in bass slapping.

When I look at Jason Momoa in Aquaman outfit, I couldnt stop thinking "whats Lobo doing here wearing an Aquaman outfit?"