Jessica Campbell Jones Cage is a fictional superheroine appearing in American comic books published by Marvel Comics. Created by writer Brian Michael Bendis and artist Michael Gaydos, the character first appeared in Alias #1 (November 2001) as a former superhero who became the owner and sole employee of Alias Private Investigations. Jones has since starred in two ongoing series (Alias and The Pulse). Alongside her husband Luke Cage, she became a member of the New Avengers during Marvel's 2010 Heroic Age campaign. At various points in her history, Jones has used the aliases Jewel, Knightress, and Power Woman. Krysten Ritter portrays the character in the Netflix original series Marvel's Jessica Jones.