Black Adam was just a montage of The Rock flexing and looking stern.

Isn’t that just every movie The Rock has been in (for the most part)? You could go all the way back to that Doom movie and say the same thing. (That being said, imo Doom is very fun if you don’t associate it with Doom lol)
Maybe I’ve missed some of his filmography, but he doesn’t have a large amount of range.