Keanu Reeves had to briefly pause an interview with Stephen Colbert during an appearance on “The Late Show” when the host brought up that “The Matrix” is celebrating its 25th anniversary this year.

In 1999, writers-directors Lilly and Lana Wachowski introduced audiences to the concept of the Matrix, and action movies were never the same. The original 1999 movie, "The Matrix," is a near-perfect ...