Batman in Earth-3, but with a twist…
Okay, continuing with this Fanfic Idea and getting inspiration from the Superman: Red Son movie; Superman vs Batman fight scene.
I thought of this scene where, Bruce and Jokester lured Ultraman somewhere where the other members of the Crime Syndicate wouldn't find them. Ultraman thought that this was easy and he could get this over with, only to be weakened by red sun lights ((Or was it Yellow Sunlight that's his weakness? So sorry if I've gotten this wrong. The point is, is that he's now powerless.)) Bruce and the Jokester then beat the heck out of him. Bruce mostly, being the martial arts expert that he is, he hits the places where it would hurt the most.
Jokester being a rebel and a troll, broadcast this to the world. Letting other people know that the Crime Syndicate can be beaten, that they're not all powerful. And having the Crime Syndicate watch as their biggest powerhouse is being beaten the ever loving heck out of him.
The members of the Crimes Syndicate are pissed offed, but Owlman was just silent and analyzing the whole fight. Being a martial artist expert as well. He could tell Bruce knew what he was doing. Pondering on the thought, "This isn't my brother, who is he?"
and that's the end of this idea…