Or it’s just a harsh winter and he wears a protective suit to keep him warm lol. And to protect himself from whatever’s coming out of that gun. I don’t think he needs to be this tropey scientist who gets into an accident. Just like Joker doesn’t need to fall into a vat of chemicals. His skin, temperature could be fine. Instead he’s going out against the elements on a dangerous mission and the weaponry he’s using isn’t very safe. Heisenberg that ****. Make the conditions nearly impossible. The worst winter in the history of Gotham and the east coast, with the prior flood making matters worse within the city. Get on top of that **** Bruce.
Nora should be the one having to deal with disease.