Viola Davis' Amanda Waller is a force to be reckoned with in this new extended promo for "Suicide Squad."

"People warned me about you," Joel Kinnaman's Rick Flag says. "I didn't believe the stories."

"Nobody does," she coolly replies.

In addition to the entertaining exchanges between Waller and Flag, the minute-long promo packs in some new footage from director David Ayer's hotly anticipated film.

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With its theatrical release just 18 days, "Suicide Squad" will undoubtedly loom large this week at Comic-Con International, where the film -- and its cast -- will be part of Warner Bros.' extensive Hall H presentation on Saturday.

Opening Aug. 5, "Suicide Squad" also stars Will Smith, Jared Leto, Margot Robbie, Jai Courtney, Jay Hernandez, Adewale Akinnuoye-Agbaje, Ike Barinholtz, Scott Eastwood, and Cara Delevingne.