I love the headcanon that none of the Bats are supers, but over time? Gotham is slowly messing them up, one by one.
Bruce smiles at Clark one day in the Cave, and his eyes reflect the light back like a wolf’s
Jason suddenly has tiny fangs, but nobody has the nerve to mention it
Alfred literally doesn’t die
Dick can jump higher and faster than ever before, but barely notices it
Tim is awake for three days straight and doesn’t blink
They’re all subtly, but noticeably different. Gotham-blessed, or cursed, or something in between.