WB Games Montreal, Batman Wiki

Warner Bros. Games Montreal developed Batman: Arkham Origins. They also developed DLC for Rocksteady's Batman: Arkham Knight. From 2019, the studio teased a return to Batman gaming. During 2020, it was revealed they were developing a video game called Gotham Knights, which is set to release in 2022.

WB Montreal's rumored Superman game is one of many DC games under development at WB Games

Batman the Stroke of Death: A screen play by Pierre E.

Batman: Arkham Knight -- Batgirl: A Matter of Family - IGN

WB Games Reportedly Planned to Reveal New Batman, Harry Potter, and Rocksteady Games at E3 2020 - Niche Gamer

Gotham Knights Guide - IGN

New Concept Art Reveals Two Batmen from WB Montreal's Canceled Batman Game

Batman: Arkham City - Wikipedia

Arkham Wiki Arkham+BreezeWiki

Batman Arkham Origins Wiki: Everything you need to know about the game