The lab rats of Project Cadmus unleash on Metropolis a powerful and mysterious new force known as Cauldron. Is he friend or foe? Also, Lobo's on his way to Earth to confront the newly returned Man of Steel.

Notes:

• The newstand edition was $1.50.
• The direct sales edition was $2.50.
• The direct sales cover is an embossed variety.
• The newstand cover was sketched, penciled and inked by Jackson Guice and colored by Susanna Bourdages.
• The direct sales cover was sketched by Ed Hannigan, penciled and inked by Jackson Guice and colored by Susanna Bourdages.
• Doomsday cameo flashback appearance.
• Triangle 1994 #4.
• Chronological continuation from Adventures of Superman #508.
• Chronological continuation in Superman: The Man of Steel #30.