- Script:
- Steve Englehart
- Pencils:
- Keith Giffen (breakdowns); Owen McCarron (finished art)
- Inks:
- Owen McCarron
- Colors:
- Phil Rachelson [as Phil Rache]
- Letters:
- Gaspar Saladino (page 1); Irving Watanabe (pages 2, 7, 11, 15-26, 30-31); Jean Hipp (pages 3-6, 10, 14, 27)
- Genre:
- superhero
- Characters:
- Dr. Doom; Namor, the Sub-Mariner; The Shroud; Tamara; Namorita; Circus of Crime (Villain) [Rajah [Kabir Mahadevu] (Intro, Villain); Ringmaster (Villain) [Maynard Tiboldt]; The Clown [Eliot Franklin]; Human Cannonball [Jack Pulver]; Great Cambonnos [Ernesto Gambonno, Luigi Gambonno]]; Prince Rudolfo; Wayne; Bela; Boris; Gregor; Dr. Croft
- Synopsis:
- Shroud frees Sub-Mariner from his cell. They enlist the aid of the Circus of Crime to smuggle them out of Latveria. Meanwhile, Dr. Doom is a captive on Hydrobase.
- Reprints: show reprint note before migration
Continued in AVENGERS #154.
- Script:
- ?
- Letters:
- typeset
Letters from readers: Doug Zimmerman, Ann Nichols, Victor Von Doom, Donald Farrell, Sean Gillane.