question: In which DC Comic story did the character played by Teagan Croft in Titans first appear?
answer: The Answer Man of Space
context: Title: Titans (2018 TV series)
  Passage: Titans is an upcoming American television series that will air on an unnamed DC Comics digital service, based on the DC Comics team of the same name.  Akiva Goldsman, Geoff Johns, and Greg Berlanti created the series, which sees Brenton Thwaites star as Dick Grayson, the leader of the Titans, alongside Anna Diop and Teagan Croft as Starfire and Raven, respectively.
  Title: Starfire (Teen Titans)
  Passage: Starfire (Koriand'r) is a fictional superheroine appearing in books published by DC Comics.  She debuted in a preview story inserted within "DC Comics Presents" #26 (October 1980) and was created by Marv Wolfman and George Pérez.  In 2013, Starfire placed 21st on IGN's Top 25 Heroes of DC Comics.  She was also ranked 20th in "Comics Buyer's Guide"' s "hot and sexy Women in Comics" list.  The name "Starfire" first appeared in a DC Comic in the story "The Answer Man of Space," in Mystery In Space #73, February, 1962, written by Gardner F. Fox.
  Title: The Culling (comics)
  Passage: The Culling is a DC Comic crossover story arc in their relaunched The New 52.  It involves three titles: Teen Titans, Legion Lost and Superboy, which is the conclusion to story arcs in all three titles involving the villainous organization N.O.W.H.E.R.E.  It begins in Teen Titans Annual #1, and runs through the ninth issues of each of the three series.  In its wake, a new series titled "The Ravagers" was launched.
citations: Starfire (Teen Titans) Titans (2018 TV series)