Mark Millar's latest Marvel Icon comic is headed to the big screen, and the lead has been cast -- we just don't know who she is, yet.

Millar debuted the first photo of the "Hollywood actress" bringing his and co-creator Stuart Immonen's "Empress" to life, her identity remaining a secret for now thanks to large sunglasses and a scarf concealing much of her features.

RELATED: Millar & Immonen Team for "Empress" at Marvel's Icon Imprint

The photo also includes a sign, promising the full reveal will arrive on April 6.

Name the Hollywood actress starring in the Empress movie!#EmpressComic #MillarImmonen #April6th pic.twitter.com/SIyiWZqRAd- Mark Millar (@mrmarkmillar) March 7, 2016