Bob GarverSpecial to the Valley NewsHere’s a movie I didn’t expect to be reviewing two weeks ago. I didn’t know how this anime movie from a franchise unknown to me had managed to get such a plum positioning in theaters, but it was sure to lose to “Mortal Kombat” in its opening weekend and the horror movie “Separation” this past weekend. “Mortal Kombat” did indeed win the films’ opening weekend - $23 million domestically to this film’s $21 million, on twice as many screens. I have no doubt that this movie could have pulled a huge upset in just a few hundred more theaters. This past weekend that upset occurred. Not just over “Separation” (I saw it, don’t bother), but over “Mortal Kombat.” “Demon Slayer: Mugen Train” is the No. 1 movie in the countr
