The famous Rocksteady Studios development team
behind the Batman Arkham game series has long been
working on a new, unspoken project, but before that the
team wanted to work on a Superman character game that
developed Demo and sent to publishing company
Warner Brothers to get the green light to complete the
development.
The game completed by Batman Arkham
Knight, but the publishing company, Warner Brothers,
rejected the project, according to media sources.
Some also linked this project to having some hints
within him of Arkham Knight, such as mentioning the
famous enemy character of Lex Luthor to Superman.