Russell Brand is in negotiations to join Kenneth Branagh in 20th Century Fox's whodunit Death on the Nile, the sequel to 2017's Agatha Christie adaptation Murder on the Orient Express, Collider has exclusively learned. Gal Gadot, Armie Hammer, Letitia Wright, Tom Bateman and four-time Oscar nominee Annette Bening are among those expected to star in the film, which is based on Christie's 1937 novel of the same name. Death on the Nile was previously brought to the big screen in 1978 with a star-studded cast that included Bette Davis, Mia Farrow, Angela Lansbury, Maggie Smith, …