John Wick was a movie first. The character gained popularity through the film franchise before any comic adaptations were made.
John Wick originated as a movie. The intense action and compelling story of the movies made the character famous before any comic versions appeared. The movies set the tone and established the character's appeal before any comic interpretations were developed.
It was a movie that came first. The success of the John Wick movies led to the possibility of comic adaptations later on, but the initial introduction to the character was on the big screen.