https://www.youtube.com/watch?v=MLpyi-oVoIY Get ready, '80s kids, because one of cinema's greatest on-screen rivalries (for '80s kids, anyway) will be making its way to Netflix soon. The first two seasons of Cobra Kai, the irreverent series reunion of William Zabka and Ralph Macchio as their Karate Kid characters Johnny Lawrence and Daniel LaRusso, will debut this Friday — with more to come in 2021. The show's official description: Cobra Kai takes place 30 years after the events of the 1984 All Valley Karate Tournament, where a now successful Daniel LaRusso (Ralph Macchio) struggles …