The Ultimates were the combined and the joint forces of the mightiest superhero teams on Earth originally assembled to stop and defeat an unstoppable Savage Grey Hulk and an Ultimate Ultron, but later disassembles after Ultimate War, due to the complications of the Superhero Registration Act, leading to the events of Civil War. Although, it later reassembles once again to protect Earth from extraterrestrial and international attacks no single team or even an army could defeat and prevent invasions from ever happening, such as the Secret Skrull Invasion, the second Chitauri Invasion, and the Infinity War.