Yes if you look closely at a Bengal Cats forehead you'll see what appears to be a letter M on the Bengal Cats forehead.
However Bengal cats aren't the only cats with the M on their forehead.
Some Tabby cats also have an M marking on their forehead as well.
Bengal cats also have no white on their body other than sometimes on their chin or whisker pad area and maybe even sometimes on their belly.
Bengal cats fur is also very soft and short