The archaeologist who discovers the Egyptian tomb in the prologue of 'Avatar' is modelled on Peter Cushing. Cushing plays an archaeologist who discovers an Egyptian tomb in The Mummy. Both expeditions occur in the 1890s and lead to the excavation of cursed Egyptian artefacts.
The moment Thoth initially appears as a young pretty woman, as she arises from the Lazarus Pit and seduces Ra's, only to reveal her true self as an aged hag after she embraces him, is similar when Jack Torrance investigated the bathroom of Room 237.