<Li> Ronan appears in The Avengers: Earth's Mightiest Heroes, voiced by Keith Szarabajka . He is featured in the episodes "Welcome to the Kree Empire" and "Operation Galactic Storm". </Li> <Li> Ronan appears in Hulk and the Agents of S.M.A.S.H., voiced by James C. Mathis III . He is featured in the two - parter "Planet Hulk", and the episode "A Druff is Enough". </Li> <Li> Ronan appears in Guardians of the Galaxy, voiced by Jonathan Adams . The episode "Undercover Angle" reveals that Ronan was killed in a battle with the Guardians and only his Universal Weapon remained . In the episode "The Backstabbers", it is revealed that Ronan was Thanos' top general prior to his betrayal and death, and there has since been a power vacuum over his former position . Nebula later claims Ronan's Universal Weapon and uses a special seed and the life - giving energies of the moon Mandala to resurrect him in the episode "Bad Moon Rising". The episode "Crystal Blue Persuasion" reveals that Ronan was exiled by the Kree Empire . </Li> <Li> Ronan appears in Lego Marvel Super Heroes - Guardians of the Galaxy: The Thanos Threat, voiced again by Jonathan Adams . </Li>

Who does ronan work for in guardians of the galaxy