Originally Posted by
kjn
I'd say that putting Batman needs Catwoman. Not only because of their long shared history, but because Catwoman implicitly challenges many of the assumptions and biases of Batman about society and crime. That also makes any stable relation between them fiendishly hard to handle, because you can so easily end up with the result of neutering either Catwoman or Batman, or both.
(The only other woman in the DCEU who can challenge Batman as deeply would be Wonder Woman, and I view the WonderBat ship as something that goes directly against the way Wonder Woman is constructed and what she is supposed to embody.)