DC Comics Presents Annual # 2 Newsstand

Story 1: "The Last Secret Identity! Part 1: The Superwoman of Metropolis!"

29th century professor Kristin Wells travels to the present to try and determine the alter ego of Superwoman, the last unrevealed secret identity. Arriving just before Superwoman makes her public debut fighting King Kosmos, Kristin suspects that Lois Lane or Supergirl wore the costume, but when they are knocked out when Kosmos arrives, Kristin herself has to go into action as Superwoman.

Story 2: "The Last Secret Identity! Part 2: A Madman Loose in Time"

Superman revives and joins Superwoman in chasing King Kosmos across time.