- Pencils
- John Buscema; John Romita (see notes)
- Inks
- George Klein; John Romita (see notes)
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Avengers [Yellowjacket [Hank Pym]; Vision; Black Panther; Hawkeye; Wasp; Captain America [Steve Rogers]]; Circus of Crime [Ringmaster; Princess Python; The Clown]
- Reprints
Alterations on Ringmaster's face and arm by John Romita. An unaltered stat of the cover is used as the cover of Marvel Super Action # 21.