The Walking Dead has unveiled a brand new teaser for its upcoming 11th and final season, suggesting a terrifying fate for those who cross the Reapers.The AMC series is set to return next month on August 22 with eight brand new episodes, while the final batch is coming next year.In a new teaser called ‘Threatened’, a quick succession of images flashes across the screen – including many of the main players – though one in particular shows how the Reapers string up their victims on the side of the