Nicole Kidman and Charlize Theron both portray two real-life women who were at the centre of the Fox News empire when its former chairman and CEO Roger Ailes was accused of sexual harassment in 2016.
The minute and a half long trailer is utterly thrilling, as the three women stand in the elevator in very tense silence.
WATCH: The thrilling trailer for Nicole and Margot's new film Bombshell
Charlize, who has undergone one of her signature transformations, plays the legendary Fox News anchor Megyn Kelly, while Nicole Kidman has been cast as journalist Gretchen Carlson.
Both women teamed up to sue Ailes in 2016 for sexual harassment, the case was eventually settled for $US20 million.
Robbie plays a fictional Fox News associate producer in the new flick.
The 90-second trailer begins with Margot walking into an elevator, followed quickly by Charlize's character.
"What started as a whisper", reads the text, "Will end with a bombshell".
Bombshell will be released in Australian cinemas in January 2020.
Milly HaddrickMilly is a journalist who passionately devours all the latest and juiciest news. A devout tea enthusiast who's a firm believer in quality downtime, Milly's weekends are usually spent relaxing with a big plate of food, a nice cuppa and the crossword.