Thor: Ragnarok Begins a Three-Movie Arc for Hulk

Mark Ruffalo said big, new questions about the Hulk and his powers will be addressed in future films.
So says actor Mark Ruffalo.

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Thor: Ragnarok [4K UHD] : Chris Hemsworth, Tom Hiddleston, Cate Blanchett, Idris Elba, Jeff Goldblum, Tessa Thompson, Karl Urban, Mark Ruffalo, Anthony Hopkins, Benedict Cumberbatch, Taika Waititi, Rachel House, Clancy Brown

Thor: Ragnarok Begins a Three-Movie Arc for Hulk - IGN