Marvel Adventures The Avengers #7

Synopsis

The Avengers are in South America helping a village cope with a deadly hurricane when they meet rogue archaeologist, Cain Marko, who is pretending to be part of the relief effort. Marko is led to the temple of Cyttorak by his guide, Loquito, and touches a giant ruby, transforming him into a human Juggernaut. The Avengers battle the Juggernaut through the village but Hulk belts him into the river and the villain escapes.