Batman doesn’t believe in God anymore
In the story, Catwoman leaves Batman, whose secret identity is billionaire Bruce Wayne, at the altar. This leaves Wayne in a questioning state, where he explores his life and reflects on his theological background — he had been raised as a Christian by his father, Thomas.In one exchange with another character, Wayne is asked, “Do you believe in God?” to which he replies, “I used to.”
Source: Batman No Longer Believes in God: DC Comics Turns Him From Christian to Atheist
I always identified more with Batman than Superman as a kid and a teen exploring my own faith and thoughts because of the ongoing tensions between his faith and practicality, his morality and his violence, his sense of duty and his wanting to retreat to a cave full of computers…