<Li> Lucy debuted in episode 3 of the Supergirl TV series, played by Jenna Dewan Tatum . This version of the character is Jimmy Olsen's ex-fiancée, with whom he soon reconciles . In this continuity, Lucy is a major in the Judge Advocate General's Corps, United States Army assigned as a "trial counsel" (prosecutor). In the episode "Manhunter," she and Jim Harper interrogate Martian Manhunter and Alex Danvers before taking them into Project Cadmus . Supergirl reveals her identity to Lucy, who is made head of the D.E.O at the end of the episode . </Li> <Ul> <Li> Lucy Lane appears in the 1984 movie Supergirl as a friend and schoolmate of Supergirl's alter - ego Linda Lee . Fame actress Maureen Teefy portrayed her here as a peppy teenager with a burgeoning relationship with Jimmy Olsen vaguely mimicking their relationship in the comics . </Li> <Li> In Superman: The Movie, she is mentioned (not by name) by Lois Lane right before Superman makes his first public appearance . Here she is said to have three kids, two cats and a mortgage making it inconsistent with Lucy's later appearance, in the Supergirl movie which is set in the same continuity, where she is still a teenager . </Li> </Ul> <Li> Lucy Lane appears in the 1984 movie Supergirl as a friend and schoolmate of Supergirl's alter - ego Linda Lee . Fame actress Maureen Teefy portrayed her here as a peppy teenager with a burgeoning relationship with Jimmy Olsen vaguely mimicking their relationship in the comics . </Li> <Li> In Superman: The Movie, she is mentioned (not by name) by Lois Lane right before Superman makes his first public appearance . Here she is said to have three kids, two cats and a mortgage making it inconsistent with Lucy's later appearance, in the Supergirl movie which is set in the same continuity, where she is still a teenager . </Li>

Who plays lois lane's sister on supergirl