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What is the DC Rebirth?
DC Rebirth is a 2016 relaunch by the American comic book publisher DC Comics of its entire line of ongoing monthly superhero comic book titles.
When was the DC Rebirth relaunch?
The relaunch was in 2016.
Did DC Rebirth receive any recognition?
Are there any other interesting aspects about the Riddler in DC Rebirth article?
Blackmailing the approaching guards with details of their children and families, Riddler walks out freely before intruding into Joker's office.
What does the Riddler do after intruding into Joker's office in DC Rebirth?
Riddler seemingly offers the Joker a partnership, acknowledging that if either of the two men individually kills Batman, the other will be left forever unsatisfied.
Does Joker accept Riddler's offer of partnership in DC Rebirth?
The Joker shoots Riddler in the stomach and quickly departs.
Does Riddler survive after the Joker shoots him in the stomach in DC Rebirth?
Left in a pool of his own blood, Riddler rose to his feet and limped out of the office, seemingly unfazed.
What happened after the Riddler survives being shot by the Joker in DC Rebirth?
Riddler is then seen meeting with Poison Ivy, discussing the Joker's need to rid anyone who could potentially kill Batman before him.
Did Riddler's alter ego, Edward Nigma, get in trouble for murdering Dr. Knowles in DC Rebirth?

Question: Who saw him?
Self-contained rewrite: Who saw the Riddler meeting with Poison Ivy in DC Rebirth?