Ada Wong is a fictional character in the Resident Evil horror franchise by Capcom. She is a mysterious and ambiguous antiheroine figure, working for the series' villains but also helping the protagonist Leon S. Kennedy. Introduced as a supporting character in the 1998 video game Resident Evil 2, Ada later appeared as a player character or in supporting roles in the video games Resident Evil 4, Resident Evil: The Umbrella Chronicles, Resident Evil: The Darkside Chronicles, Resident Evil: Operation Raccoon City and Resident Evil 6, as well as in the animated film Resident Evil: Damnation. The live-action film series' version of Ada appeared in Resident Evil: Retribution, portrayed by Li Bingbing. Ada has been well received and became one of the most popular characters in the series.