And to help you decide - what does each shiny look like?
Mega Skarmory and several Dynamax Pokémon will also debut.
A tweak to the Showcase Tuesday event, a new Sunday feature and more will roll out in June.
"Creating a sequel that divides the community doesn't make as much sense."
Unity Raids will also need "a massive number of Trainers" to complete. Could they make their debut this summer?
15 properties will host themed walks between May and September, with further TCG activity from the summer.
One More Catch can confirm a trial where players will choose between different challenges during quiet weeks.
Includes a Stamp Rally, Timed Research, Stickers and in-person "LEGO experiences".
Their arrival will also usher in changes to the Mega Evolution process.
Increased shiny chance and event Special Research available at no cost over the July weekend.
Ingress "not impacted in any way" by the closure.