- Script:
- Stan Lee
- Pencils:
- Jack Kirby (layouts); George Tuska (pencils)
- Inks:
- Wally Wood (pages 1-4 uncredited); George Tuska (pages 5-7); Carl Hubbell ? (pages 8-10 uncredited)
- Colors:
- ?
- Letters:
- Sam Rosen
- Genre:
- superhero
- Characters:
- Avengers [Captain America [Steve Rogers]Quicksilver [Pietro Maximoff]; Scarlet Witch [Wanda Maximoff]; Hawkeye [Clint Barton]]; Red Skull [Johann Schmidt]; Sleepers [Herr von Kimmer; Erica Wolfmann]; Sleeper (robot)
- Synopsis:
- Cap goes after the Sleepers, sleeper agents planted by the Red Skull who were to activate the Sleeper robots 20 years after the War.
- Reprinted:
- in Marvel Masterworks (Marvel, 1987 series) #14
- in Captain America Annual (Marvel, 1971 series) #2
- in Essential Captain America (Marvel, 2000 series) #1
Wood, Tuska and possible Hubbell inks per Nick Caputo, 2012. This story marks the return of the 1960s setting.