Doorway to Nightmare — DC Comics
Issue: #2
Last valuation update: 2023-06-02
Madame Xanadu is consulted by a couple, one a skeptic and scientist, the other a believer. She passes on a dire warning to the scientist, but will the woman overcome her skepticism and heed the warning before it is too late?
Creators: Ben Oda, Gerry Conway, Liz Berube, Vicente Alcazar, Michael Wm Kaluta, Joe Orlando
Characters: Madame Xanadu