Question about Arkham Knight dialog with Cat Woman and Batman

Pretty simple question.
I noticed that after defeating the Riddler, Catwoman referred to Batman as Bruce. When did he reveal his identity to her?
I have played the other Batman games, but I did not play any of the catwoman parts of Arkham city.
I finished Riddler BEFORE beating the game so I'm not sure how she knew batman was Bruce.
Was his identity revealed to her in the catwoman portion of the campaign in Arkham city? Is there some other explanation? Let's keep it to the canon of the games themselves (Arkham Asylum, City, Origins and Knight).
I would think the game developers would have had separate dialog for beating Riddler before and after the ending of the game, perhaps this was an oversight?
Best Answer
So if you had gone through the main story, you would have learned that toward the end of the game:
Scarecrow captures Gordon and Robin and threatens to kill them. Batman surrenders himself to him in order to save them while Scarecrow intends to take off Batman's mask to reveal his identity to him and the world.
Following these events, you're required to capture a requisite amount of villains in order to proceed. I guess whenever Catwoman speaks out his name, you were supposed to be beyond this point in the game where she (and everyone) would have known.
Considering this is the longest of the sidequests, it's likely that most players would do this last and witnessed what happens in the story.
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Are Batman and Catwoman friends?
Batman catches criminals, and Catwoman is a criminal. At their very cores, they're in direct opposition of one another, and yet the flames of romance between the two have been burning bright for over eighty years.How do you save Catwoman in Arkham Knight?
You need to do a bunch of challenges and riddles in order to save Catwoman from him. First off head to the Orphanage and fight with her against the Robots. After you win you will get a challenge on Bleake Island, head over there with the Batmobile. This one is a 3 lap race, if you fail you will have to start over.Batman Arkham Knight - all of Batman and Catwoman [Part 1]
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Answer 2
I believe the events of Arkham Knight occur six months (don't quote me on six months thou lol I know it's a few months) after Arkham City.. if you are a reader of any of the Batman (even Catwoman/Gotham City Sirens) comics, you come to discover that Selina Kyle aka Catwoman learns that Bruce Wayne is the Batman. Batman and Catwoman have had an ongoing love interest/sexual relationship while under masked identities, for quite some time.. Catwoman (Selina Kyle) even eventually becomes pregnant by Batman (Bruce Wayne) and they have a daughter together, Helena Wayne (who eventually takes on the secret hero identity of, Huntress. Since the games are strongly based off of the comics, I'm pretty confident that with that few months between Arkham City and Knight, Catwoman came to discover Batman's true identity. Let's not forget that Catwoman does become a prominent member of the "Bat Family" so all Intel/Info that any other "member of the family" (Nightwing, Robin, Batgirl, Alfred, etc) would know, Catwoman would also know or come to know. So the events of Knight and Catwoman knowing Batman's true identity follows the events of the comic, shortly after Batman is unmasked as Bruce Wayne and he "goes M.I.A" Catwoman discovers she is pregnant by him.
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