Photo: Riley MacLeod (Kotaku) The event that competitive Fortnite players have been waiting for finally gets underway today at the Arthur Ashe Stadium in Queens, New York. Hundreds of pros will be present at the three-day Fortnite World Cup, and thousands or millions more will be watching. When all is said and done a few will end up a whole lot richer. The event will begin with an opening ceremony at 12:30 p.m. ET. Nobody knows what Epic has planned for it. There could be dancers. A new mode might get announced. Maybe Lil Nas X will show up and perform a special new Fortnite remix of “Old Town Road.” Epic Games announced it was spending $100 million on Fortnite esports back in February. There have been innovations in how esports are streamed, controversies over certain screen resolutions getting banned from competition, and no shortage of attempted cheating along the way. Some of those cheaters even eventually qualified for this weekend’s event. Now fans will get to see if the spectac...