Team Rocket takes over Pokémon Go from March 6 until March 9.
Shiny Scooter it will build up its hijackings, alongside the rate of physical growth to the darkness- and pain-type of Pokémon. Absol will also disperse in the wild, instead of appearing only in eggs.
On March 7, from 2 p.m. until 5 p.m. in your local time, the world will be held, with Team Rocket taking in tons of PokéStops. Three leaders, along with Giovanni, will be appearing regularly, so this is a great opportunity to complete any Team Rocket Special Research. Shield Pokémon taken from the leaders will also have the opportunity to appear as Shiny. Slowing down Team Rocket members during this time will also be rewarding twice Stardust
At that point, you'll also be able to use Charge TMs to change the Shadow Pokémon charging from Frustration to something else. However, the move will still be replaced with Return when you clean it, so use your TMs wisely.