When Martin Garrix came back to New York City in October—the first time since his debut at The Brooklyn Mirage a month prior—he had two things on his agenda. One of those was revealed to be a historic stream atop the Empire State Building and the other he quietly disclosed was a trip to Marvel’s headquarters in the Big Apple to work on something for a new video game they were producing. And we finally know what that exactly meant, with the STMPD RCRDS boss and JVKE—who was just remixed by ILLENIUM and Nurko—partnering up to soundtrack Marvel…