What if "The Thing" had taken place in a supermarket instead of a remote Antarctic outpost? What if the hero of that classic horror tale was a stockboy instead of MacReady the helicopter pilot? Before you answer those questions, consider 2008's "Alien Raiders." "The Mist" and "Intruder" may have to give way to "Alien Raiders," which may be the best horror film ever shot in a supermarket. Heavily influenced by "The Thing," let us look at "Alien Raiders."