Captain Universe is known as the name for the recipient of the mysterious Uni-Power, a special kind of energy that endows an individual with superhuman powers during a time of crisis. How it has determined its hosts in the past remains a mystery. Now, the unraveling of one of the greatest enigmas in the universe begins as the Uni-Power must possess a handful of Marvel heroes - Hulk, Daredevil, X-23, Invisible Woman and Silver Surfer - to save itself from an enemy hell bent on its destruction!