[Bruce was used to labs hastily made in secret locations. That's how he lived for a long time back home, having no place of his own, never in one place for long. The toxin would have never worked on him, his blood was toxic already so nothing else could work for long. He glanced around the warehouse when he walked in, having brought his own small bag of medical instruments in case they needed it.]
Selina?
[It was in his nature to be suspicious of dark places, and it had nothing to do with fear of other people attacking him. It was the concern of what would happen afterward. The last thing this door needed was a loosed Hulk.]