"It's a roller coaster, no question," Hiddleston said in an interview with MTV . "It's full of ups and downs and loop-de-loops and twists and turns. It will take you to places you haven't seen before."
He Then goes on To talk about The threat That Thor Faces in the upcoming sequel, "They have an ancient, ancient grudge against Asgard and against the reign of Odin, and they're back," Hiddleston described of the "massive and threatening" enemies facing Thor this time around.
He continues by talking about the very complicated relationship between Thor and Loki, "Loki has a very complicated relationship with Thor," Hiddleston said of his role in the film. "He is an agent of chaos without equal in the world he inhabits. He knows his true nature. He knows he doesn't belong in the family of Asgard, and he's locked away in the beginning of the film in the deepest, darkest recesses of the dungeon as public enemy number one." Though it's not long before foe becomes friend,as Tom says "Lo and behold, Asgard needs his help that's going to be a very complicated allegiance."
Hiddleston's lips are sealed regarding the character's future, though he does say there's still one score he hopes to settle with a certain Green Goliath.
"I do feel like there's some unfinished business between Loki and the Hulk," he said. "I feel like he didn't get a fair fight."