The Baroness (Úrsula Corberó) is an elite operative of the terrorist organization "Cobra", second in command to Cobra Commander in the 2021 G.I. Joe live action film Snake Eyes.
Baroness - real name Ana DeCobray - is introduced as a rival to Scarlett, who describes her recent terrorist activities such as the bombing of a train to kill a member of the Japanese parliament. Baroness aligns herself with the leader of a Yakuza called Kenta Takamura, who seeks to control the Arashikage clan, to obtain the "Jewel of the Sun", a powerful weapon capable of giving its wielder the power of the Sun.
Kenta succeeds in manipulating Snake Eyes to steal the jewel from the Arashikage by promising him revenge against the man who killed his father. Kenta agrees to hand over the jewel once he is in control of the clan. Kenta and Baroness, with a large force of Yakuza, storm the Arasahikage castle in the movie's finale. Scarlett arrives to help, but is quickly overwhelmed and captured after a brief gunfight with Baroness.
Thanks to the jewel, Kenta is able to easily overrun the castle and hold hostage the Arashikage leader, Sen, inside the citadel. With her side of the bargain fulfilled, Baroness demands the jewel, only for Kenta to betray her and knock her to the ground. He leaves the citadel with his guards left to watch over Scarlett, Sen, and Baroness. The three make a temporarily alliance which allows them to escape, fight through the Yakuza, and confront Kenta alongside Storm Shadow and Snake Eyes. Baroness uses the chaos of this battle to escape the castle.
She is last seen in a mid-credits scene on a private jet. Here, she offers an alliance with Storm Shadow who has been ostracised and outcast by the Arashikage, and has sworn vengeance against Snake Eyes for his part in it.