Conversation so far:
What are the New 52?
The New 52 was the 2011 revamp and relaunch by DC Comics of its entire line of ongoing monthly superhero comic books.
Did the reboot include Catwoman?
Yes
What was Selina Kyle escaping?
Catwoman next appears in Batman #2 in a story also involving the Joker but escapes Batman in the end.
Did this event lead to Catwoman meeting Batman?
Yes

Question: Who is her informant?
Self-contained rewrite: Who is Catwoman's informant?