Sylvie Laufeydottir (born Loki) is a fictional character portrayed by Sophia Di Martino in the Marvel Cinematic Universe (MCU) media franchise, partially based on the characters Lady Loki and Sylvie Lushton from the Marvel Comics. She is an alternate version of Loki who helps him fight to overthrow the Time Variance Authority (TVA). She hopes to destroy the TVA and He Who Remains for stealing away her life, viewing herself as an agent of the universe itself. She is later forced to ally with a variant of Loki from 2012, with whom she falls in love.