Superman and Batman versus Aliens and Predator
https://en.wikipedia.org/wiki/File:Superman_%26_Batman_vs.Aliens%26_Predator_-_cover.jpg
The story takes place somewhere in the Andes. It is revealed that during the Ice Age, a Predator ship landed on Earth and could not leave because it could not escape its gravitational pull. The Predators landed in a then-dormant volcano.