Mission: Impossible IV - Ghost Protocol:

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Description

The film was originally announced with a working name of Mission: Impossible 4, and codenamed "Aries" during early production.Rumors initially mentioned that the film might not even carry the Mission: Impossible name, though this was later discounted.
Principal photography has begun as of September 30, 2010. Pictures of the set were leaked to the internet showing Cruise in a Russian officer disguise. Filming will take place in Dubai, Prague, Moscow and Vancouver. The film will be partially shot with IMAX cameras. As of March 2, 2011, shooting continues in Vancouver, Canada.