UltraForce/Avengers

Summary

The Asgardian god Loki enters the Ultraverse and collects the Infinity Gems, also discovering the existence of a seventh Gem: Ego. Loki learns the Infinity Gems were originally part of a gestalt entity known as Nemesis. The Ego Gem, possessing the Avenger Sersi, merges with the other Gems to reform Nemesis, and battles superhero teams the Avengers and Ultraforce, before being dissipated once again.