‘Doomsday' a glorious mash-up of the macabre

A cannibalistic charbroil is at the center of "Doomsday," writer-director Neil Marshall's playfully perverse movie mash-up of the macabre. For those wondering, an extra-crispy British mercenary resembles roast beef. Fitting, given how Marshall gorges himself at an all-he-can-eat buffet line of film homage for a crazy-fun apocalyptic thriller.