The Coolest and Most Obscure Crossovers In Film

Hollywood has a long, long history of putting its coolest characters from one movie smack dab in the middle of another movie’s plot, and these days, every little film property wants to be a big, tough expanded universe. But what about the more obscure crossovers, the ones that took years for fans to discover? Here are the coolest crossovers in film that you may have missed.

[Looper]