Warner Bros. confirms free demo of NetherRealm's DC fighter for Xbox 360 and PS3 starting April 4; Black Adam confirmed as in-game character.

Warner Bros. has confirmed a free demo for the upcoming NetherRealm DC fighter, .

The demo--to be released on the Xbox 360 and PS3--will feature Batman, Wonder Woman and Lex Luthor in the Gotham City arena.

The demo will be available from April 4 on the PlayStation Network and Xbox Live Marketplace.

The publisher also announced Black Adam will feature as an in-game character when Injustice: Gods Among Us is released in North America on April 16. The game will launch on the Xbox 360, PS3, and Wii U.

For more on Injustice: Gods Among Us, check out .