While it might not have been the first, the Marvel Cinematic Universe spearheaded by Kevin Feige and now under the ownership of Disney has refined the formula for a modern audience. Beginning with Iron Man in 2008 and exploding thanks to The Avengers 4 years later, the MCU pumps out multiple movies per year, almost all of which have garnered considerable critical and commercial success. Seeing the success Marvel Studios were enjoying, rival studios clamored to adopt the shared universe approach,...