Batman's fandom is a whole ecosystem, and shipping him totally reshapes the narrative soil. I'm mostly thinking about Bruce/Talia versus Bruce/Selina—it's practically two different genres. The former leans into epic tragedy, legacy, and duty versus love, spawning these grand, operatic fics full of political machinations and doomed romance. The latter is a heist movie romance; it's about attraction as a game, moral gray areas, and whether someone can actually get the man behind the mask without breaking him.
What's wild is how shipping Batman often sidelines the 'world's greatest detective' angle. When the focus is a ship, the plot frequently becomes about emotional detection instead—unraveling trauma, decoding vulnerability, protecting the partner. The rogue's gallery gets repurposed as relationship obstacles or weird mirrors. A Joker story in a BatCat fic isn't about stopping a bomb; it's about what the chaos reveals about their trust.
And then you have the Batfamily dynamics getting utterly reconfigured depending on who you ship Bruce with. A story with Bruce/Dick Grayson (which is its own massive, complex thing) will have a completely different Jason Todd subplot than a story with Bruce/Clark Kent. The ship doesn't just add romance; it recalibrates every other connection in his life, which is why the fanfic tropes range from 'found family' fluff to intense, gothic hurt/comfort depending on the central pairing.