- Script:
- Steve Englehart
- Pencils:
- Sal Buscema (layouts); Joe Staton (finishes)
- Inks:
- Joe Staton
- Colors:
- Steve Englehart
- Letters:
- Tom Orzechowski
- Genre:
- superhero
- Characters:
- Agatha Harkness; Alpha Primitives; the Avengers [Thor [Donald Blake]; Iron Man [Tony Stark]; Mantis; Quicksilver; the Scarlet Witch; the Swordsman; the Vision]; Edwin Jarvis; the Fantastic Four [the Human Torch; the Invisible Girl; Mr. Fantastic; the Thing]; Franklin Richards; Inhumans [Black Bolt; Crystal; Gorgon; Karnak; Lockjaw; Maximus; Medusa; Triton]; Ultron-7 [poses as Omega] (first appearance)
- Synopsis:
- The Avengers travel to Attilan for Quicksilver and Crystal's wedding, where they are beset by Omega and the Alpha Primitives.
- Reprints: show reprint note before migration
Continues in Fantastic Four #150. Numerous alterations on Crystal, Scarlet Witch and Moondragon's faces by John Romita.
- Script:
- Ralph Macchio (letter writer); various
- Letters:
- typeset
Letters on The Avengers #123; Marvel Value Stamp #13 (Doctor Strange by Steve Ditko).