Michael Fassbender and James McAvoy in X-Men: First ClassX-MEN: FIRST CLASS

If you had told the 10-year-old me that Hollywood would one day release a series of big-budgeted, serious-minded films based on the X-Men comic books, he probably would've done cartwheels for about a week. And if you told that same mini-me that he'd one day grow almost completely apathetic toward this film series, he probably would've laughed in your face.