Immortus is a fictional character from the Marvel Comics universe, primarily known as a time-traveling villain. He is an alternate future version of Kang the Conqueror, a character who often battles the Avengers. Immortus possesses vast knowledge of time and reality, allowing him to manipulate events across different timelines. As a character, Immortus often serves as a mediator between various time periods and realities. He is associated with the Time Keepers, a group that oversees the flow of time. Immortus's abilities include time manipulation, immortality, and the power to alter events, making him a formidable opponent in the Marvel universe.