We might get one last Video Armageddon before we get actual Armageddon.
http://www.nintendoworldreport.com/rumor/67056/esrb-posts-rating-for-nintendo-world-championship-nes-edition
There may be more than Pokemon Scarlet and Violet having official World Championships soon if the ESRB is any indication.
The ratings authority has given an E (everyone) rating to a "Nintendo World Championships - NES Edition", indicating a product of that name will launch on Switch. The descriptors include mild fantasy violence and "in-game purchases".
The original Nintendo World Championships date back to 1990, and featured a special cartridge with portions of Super Mario Bros., Square-developed racing game Rad Racer, and the NES version of Tetris. The ESRB rating indicates that "Some games depict pixelated characters using small swords or arrows to strike at enemies; enemies typically get stunned or disappear in a flash", suggesting that different games may be in the shipping package.
Nintendo has not provided any official confirmation of the news. The company has not held a "Nintendo World Championship" since October of 2017, though Mario Kart 8 Deluxe, Super Smash Bros. Ultimate, and Splatoon 2 / 3 have had official tournaments in the intervening years.