| Issue | #60 |
| Published | January 1969 |
| Frequency | monthly except September, semi-monthly |
| Cover Price | 0.12 USD |
| Pages | 36 |
| Editing | Stan Lee |
| Characters | Yellowjacket [Hank Pym]; Vision; Black Panther; Hawkeye; Wasp; Captain America [Steve Rogers]; Ringmaster; Princess Python; The Clown |
| Genre | superhero |
| Pencils | John Buscema; John Romita (see notes) |
| Inks | George Klein; John Romita (see notes) |
| Notes | 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. |
| Reprinted | in Marvel Super Action (Marvel, 1977 series) #21; in Avengers Log (Marvel, 1994 series) #1; in Essential Avengers (Marvel, 1999 series) #3 |
| Characters | Goliath [Hank Pym]; Yellowjacket [Hank Pym]; Vision; Black Panther; Hawkeye; Wasp; Captain America [Steve Rogers]; Crystal; Invisible Girl; Human Torch; Black Knight; Daredevil; Marvel Girl; Angel; Iceman; Beast; The Thing; Mr. Fantastic; Dr. Strange; Nick Fury; Iron Man; Cyclops; Black Widow [Natalia Romanova]; Spider-Man; Ringmaster; Princess Python; The Clown; The Great Gambonnos (Ernesto & Luigi Gambonno); Human Cannonball |
| Synopsis | Henry Pym and Janet Van Dyne (Yellowjacket and the Wasp) are married. Cameo appearances of many of the Marvel Universe. Vs. the Ringmaster and his Circus of Crime. |
| Genre | superhero |
| Script | Roy Thomas |
| Pencils | John Buscema |
| Inks | Mike Esposito (as Mickey Dimeo) |
| Letters | Sam Rosen |
| Reprinted | in Marvel Super Action (Marvel, 1977 series) #21; in Marvel Treasury Edition (Marvel, 1974 series) #7 (1975); in Essential Avengers (Marvel, 1999 series) #3 |