Marvel's Hulk and the Agents of S.M.A.S.H. (2013)

S01E19 For Asgard

Skaar unwittingly sets off Ragnarok, drawing the wrath of Asgard upon himself. Captured by Heimdall, the vigilant protector of the Bifrost, the Hulks embark on a mission to rescue Skaar and confront Thor. As tensions rise, the heroes realize they must unite and overcome their conflicts to confront Malekith and protect their world from impending doom.