E!'s own Ben Lyons caught up with Chris last weekend at the pop-culture convention and talked to the upcoming god of thunder about some friendly competition with brother Liam Hemsworth, aka Miley Cyrus' BF, over the role:
"We were both rally for each other," Chris told Ben. "We're competitive but supportive. We don't talk much since," Chris joked, "but he should return my calls."
Also check out Chris' Thor costar Natalie Portman as she talks about getting caught up in the chaos of the film's intense fight scenes.
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Photos: 11 Buzz Films of Comic-Con