Bloody Mary #5

By “depends on the breed” I really mean, depends on the author. I quote as a source the Batman graphic novel where he fights Dracula and used silver batarangs. Was that Batman: Red Rain(?), can anyone confirm. I’m too sore to use a search engine.
There’s a tiny bonus joke hidden somewhere in this strip for my own amusement. Let me know if you spot it. Think of it as a value add. Speaking of value, that was probably an ounce of silver dust so that little throw cost Sidekick Matt about $14.14 according to today’s silver price…