Amid the myriad sequels, reboots, re-imaginings and rehashes coming to cinemas this year, one film stands out as being a thoroughly original, even subversive prospect. David Fincher – never a director to shy away from controversy – is returning to Netflix with his first crime film since Gone Girl and has reunited with Se7en screenwriter Andrew Kevin Walker in the process. The thriller, entitled The Killer, is said to focus on a ruthless international assassin who finds himself developing a conscience, much to his horror. The ever-brilliant Tilda Swinton has been cast in the role of the killer’s handler, but...