- Script
- Jim Shooter (credited as James Shooter)
- Pencils
- George Pérez (credited as George Perez)
- Inks
- Pablo Marcos (credited)
- Colors
- Don Warfield (credited)
- Letters
- Gaspar Saladino (page one); Denise Wohl (credited)
- Genre
- superhero
- Characters
- The Avengers: Beast [Hank McCoy]; Black Panther [T'Challa] (featured); Captain America [Steve Rogers]; Hawkeye [Clint Barton] (featured); Iron Man [Tony Stark] (featured); Scarlet Witch [Wanda Maximoff]; Thor [Doctor Donald Blake] (featured); Two-Gun Kid [Matt Hawk]; Wasp [Janet Pym] (featured); Wonder Man [Simon Williams] (featured)
Ant-Man [Hank Pym] (controlled by Ultron); Edwin Jarvis; Jocasta (introduction); Ultron; Rockwell
- Universe
- Marvel : mainstream
- Synopsis
- Ultron tries to steal the life-force from Janet Van Dyne.
- Reprints
- in Heróis da TV (Editora Abril, 1979 series) #83
- in Vengeur (Arédit-Artima, 1985 series) #12 (novembre 1986) [N&B et remonté [B&W and reframed]]
- in Avengers Visionaries (Marvel, 1999 series) (July 1999)
- in Avengers Legends (Marvel, 2002 series) #3 - George Perez Book 1 (January 2003)
- in Target Avengers: Earth's Mightiest Heroes (Marvel, 2004 series) (2004)
- in Essential Avengers (Marvel, 1999 series) #7 ([January] 2010)
- in Marvel Gold. Los Vengadores: Grandes Amenazas (Panini España, 2011 series) (Julio 2011)
- in Avengers: The Bride of Ultron (Marvel, 2012 series) (2012)
- in Avengers Epic Collection (Marvel, 2013 series) #9 - The Final Threat (December 2013)
- in Marvel Masterworks: The Avengers (Marvel, 2003 series) #16 (2016)
- in True Believers: Iron Man 2020 - Jocasta (Marvel, 2020 series) #1 (April 2020)
First appearance of Jocasta.
- Script
- ?
- Letters
- typeset
Letters from Ann Nichols, Rouge C. Farmer