[Western Crossover] The Weird World Just Got Weirder

After yet another timeline went haywire, the universe split apart, breaking into seven pieces. Brian, whose full-time job is saving the world, confidently set off on a mission to save it, with the System at his side... Brian: Saving seven worlds can't be all that different from saving one... right? Brian: Besides, I'll have superheroes helping me! (Hands on hips) It wasn't until Brian arrived in the fractured worlds that he realized something was seriously wrong... World 1: A certain dark, brooding bat has become a great detective at 221B Baker Street. Brian: One of the Bat's defining traits is being a detective. Nothing strange about that! World 2: The Wayne family is Gotham City's biggest (crime) syndicate. Brian: ...Wait, what? By the time he reached the next world, Brian had already made peace with things (not really!) and was fighting zombies alongside a certain Red Hood... Brian: At this point, nothing this world turns into could surprise me. // Reader's Guide: 1. Timeline shenanigans and OOC content ahead. 2. Some arcs feature characters going dark. 3. There will be all kinds of BG, BL, and GL pairings. 4. Some arcs involve the deaths of important characters from the original works, but everyone will be brought back by the end. 5. The parallel-world concepts in this story are inspired by the official comics, but the details and plots will differ substantially. Theme: To be added.