The term 'Middle-Earth Menaces' refers to the Orcs, a race of creatures from J.R.R. Tolkien's fantasy world of Middle-Earth. They are a race of humanoid monsters, often described as being ugly and cruel. They are usually found in large numbers, and are often used by the forces of evil as soldiers or servants. They are also known for their ferocity in battle, and are often seen as a major threat to the protagonists of Tolkien's stories.