| Publisher: | Malibu Comics (Ultraforce) and Marvel Comics (Avengers) |
| Date: | July - October 1995 |
| Writers: | Glenn Herdling (Avengers/Ultraforce) Warren Ellis (Ultraforce/Avengers) |
| Artists: | Angel Medina and M. C. Wyman (Avengers/Ultraforce) George Pérez (Ultraforce/Avengers) |
| Issues: | 2 |
| Main Char Team: | Avengers, Ultraforce |
The Avengers/Ultraforce event was a two-part intercompany crossover between Malibu Comics and Marvel Comics. The first issue, Avengers/Ultraforce, was written by Glenn Herdling with art by Angel Medina and M. C. Wyman.[1] The sequel, Ultraforce/Avengers, was written by Warren Ellis with art by George Pérez, who also illustrated wraparound covers on both issues.[2]
The Asgardian god Loki enters the Ultraverse and collects the Infinity Gems from the possession of various Ultraverse's heroes,[3] also discovering the existence of a seventh Gem: Ego. Loki learns the Infinity Gems were originally part of a gestalt entity known as "Nemesis".[4] The Ego Gem possessed the Avenger Sersi when she arrived to Ultraverse from Earth-616.[5]
The slaying of Nemesis caused a reality-changing effect in the Ultraverse called the Black September.