Graviton and his allies were defeated by the West Coast Avengers and Quantum, no longer believing Graviton's promises, abandoned the team and went his own way.
Graviton were defeated by the West Coast Avengers. His allies were defeated by the West Coast Avengers. Quantum abandoned the team. Quantum was no longer believing Graviton's promises. Quantum went his own way. Quantum was no longer believing Graviton's promises.