Appearing in "Infectious Compulsions"
- Blue Are of the Moon
- New York City, Manhattan
- Quantum Bands
- Captain America's Shield
- Black Widow's Gauntlets
- Iron Man Armor MK VIII
- Brethren Spy Eyes
Synopsis for "Infectious Compulsions"
The Avengers in the ecosystems find Olar, the eldest of the Brethren and make their way to Earth to rejoin the rest of the team. The Brethren attack the Avengers when they learn of the Collector's presence. However, it turns out that the Brethren have been the pawns of the Collector all along.
- Collector's true form is first revealed.
- It's revealed that the Brethren are just advanced bacteria.