A few weeks ago I wrote that I was surprised by the apparently legitimate production of Snakes on a Train with this unlikely plotline:
Under a powerful Mayan curse, snakes are hatched inside a young woman, slowly devouring her from within. Her only chance for survival is a powerful shaman who lives across the border. With only hours to live, she jumps on a train headed for Los Angeles. Unfortunately for the passengers aboard, they are now trapped, soon to be victims of these flesh-eating vipers.
At the time, they didn’t have a trailer online, so it wasn’t entirely clear if they were for real. But, hey, they are:

That was surprisingly grusome… hard to watch even. I liked the GIANT snake eating the train though.