Amazon.com has enlisted two-time Academy Award nominee Benedict Cumberbatch to deliver dramatic readings of its most absurd customer reviews for the second chapter of its “Five Star Theater” campaign. The new ads mirror the format that drove buzz in last year’s debut featuring actor Adam Driver. Cumberbatch, sitting in a leather armchair beside a flickering fireplace and Christmas tree and surrounded by Amazon boxes, performs real five-star reviews as if it’s a one-man show. Ads will appear acro