Conversation so far:
What is the DC Rebirth?
the new DC continuity relaunch, DC Rebirth.
When was the relaunch?
in Batman #19.
Did it recieve any recognition?
CANNOTANSWER.
Are there any other interesting aspects about this article?
Blackmailing the approaching guards with details of their children and families, Riddler walks out freely before intruding into Joker's office.

Question: What does he do then?
Self-contained rewrite: What does Riddler do then?