A helpful tipster sent along to Polygon what appears to be a shot of a promotional poster for Injustice 2 featuring The Flash and Batman with this tagline: "Every battle defines you."

In a letter sent to Gamestop managers, and also shared with Polygon, corporate tells local stores they are sending along the posters, which are free with pre-orders for the still unannounced game.

The posters are only available while supplies last, according to the tipster.

There is no word on what platforms the title is coming to, but it's possible one of the placeholder entries in the GameStop computers for a PlayStation 4 and Xbox One title is for the game.

We've reached out to Warner Bros. Interactive for comment and will update this story when they respond. But it seems likely, this game could be announced during E3 or the lead up to the big show.

Have more details? Shoot 'em over.

In the original Injustice: Gods Among Us, released in 2013, players took control of characters from the DC Universe to fight one another in a variety of DC Universe settings. The original game was made by Mortal Kombat developer NetherRealm Studios.

The game received generally positive reviews.

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