I haven’t seen this secret-project Lifetime movie, but I’ll be watching tonight. It stars Will Ferrell and Kristin Wiig in what sounds like a typical Lifetime movie: They play a rich married couple who invite a young birth mother into their home to present them with a child. But according to the buzz, A Deadly Adoption is supposed to be played for straight, or close to it – not like the duo’s playful IFC miniseries, The Spoils of Babylon, which is spawning an imminent sequel. How serious, how goofy, or how meta is this movie? Tonight, there’s only one way to find out…