It's a possibility. [Not one he likes but one that has to be considered, all events taken into account. At Sharon's question, he shakes his head.] If there is such a list, I don't have it. I don't even know everyone who lives here, much less what powers they might or might not have.

[Bruce would but...the two of them don't particularly associate much in their civilian identities. That, and a list of power swaps isn't exactly the type of the millionaire and playboy Bruce Wayne would have just lying around.]