Immortal Weapon of American Comics

There are dragons in the Marvel world, and there are more than one. However, all of them are large lizards with wings on their backs. They are all creatures that came here from aliens. There were also dragons in ancient China, but they were different from all other dragons. There were countless legends and idioms about dragons, such as dragons and phoenixes presenting auspiciousness. However, now, only the Phoenix continues to appear in the history of Marvel, and it always appears on Earth. If it is a cosmic force, why is it always so reluctant to leave here? Maybe there is something here that is important to it.