Hulk Hogan was in the midst of filming a documentary project for Netflix at the time of his death, CNN has learned.

The opening chords of Rick Derringer’s hard-rock guitar would play over the arena sound system. Instantly, 20,000 Hulkamaniacs — and many more as wrestling’s popularity and stadium size exploded — rose to their feet in a frenzy to catch a glimpse of Hulk Hogan storming toward the ring.