Fun Fact: In Bullet to the HeadSylvester Stallone's character is named James Bonomo. In Oscar (1991), Stallone's character Angelo 'Snaps' Provolone talks about his first job, working for James Bonomo. In both movies, Stallone has a daughter named Lisa (Sarah Shahi, Marisa Tomei), and both films include hitmen as central characters.
Fun Fact: Warm Bodies is based on the novel of the same name by Isaac Marion. The book is the first of the "Warm Bodies" series, which includes "Warm Bodies," "The New Hunger," and "The Burning World."
Fun Fact: The incantation Ash speaks to retrieve the Necronomicon, "Klaatu Varada Nikto," is an homage to the film The Day the Earth Stood Still. In the the 1951 sci-fi film, the words "Klaatu Barada Nikto" were spoken by the alien Klaatu to unlock the robot, Gort.