The 46-year-old posted an image of herself in cleavage-baring armor leaning on a sword as soldiers stood behind her.
‘Who’s got your back? Gather your friends (and maybe your enemies), you’re gonna need them! Click the link on @GameofWar’s profile to download free!,’ Mariah wrote in the caption to her more than two million followers on Instagram.
The singing superstar reportedly has been ‘in talks’ to provide the voice for Commissioner Gordon in upcoming The Lego Batman Movie. Her possible involvement in the highly anticipated spin-off was first reported by Deadline.com.