When Matt/Daredevil & Elektra are at the train yard the Empire State Building is lit blue and orange. This is a sign that the NY Mets had recently won a series versus the Yankees.

"Semper Fidelis" a Latin phrase that means "always faithful" or "always loyal". In the United States it is best known as the motto of the United States Marine Corps. Elsewhere, it is a common motto for towns, families, schools, and military units.

Twenty seconds pass between the moment when Matt tosses Elektra's flashlight into the pit and the blackout of end credits. Using a simple method to calculate its falling distance, the flashilight would have dropped more than a mile.