I tick all the boxes. Christopher Nolan fan. Sci fi fan. Action fan. However this is an incoherent mess of a film. Halfway through I couldn't understand or honestly care what was going on. Ironically the one person who had some character, Neil , is the one whose fate is doomed. The rest I couldn't cared less what happened to them. A couple of decent action scenes nothing but nothing not seen before. The reverse stuff was novel for about 15 mins before it just began to annoy. It was like a bad bond script was given to an another screenwriter on acid and was told, give it a twist.