Are Ultra Beasts coming to Pokémon GO next Season?

A teaser has been released on the official Pokémon GO Twitter feed revealing Nihilego will be the first Ultra Beast to be introduced to Pokémon GO. At the
Niantic and The Pokémon Company have teased that Gen 7 Ultra Beasts are on their way to Pokémon GO - look out for Wormholes!

Ultra Beasts Are Coming to 'Pokémon GO' Very Soon

Ultra Beasts Arrive In Pokémon Go Global Event Later This Month - Game Informer

Pokémon GO Ultra Beast Appearance Times - How To Catch Nihilego, Buzzwole, Pheromosa, And Xurkitree

Pokemon Go Is Teasing The Arrival Of Several New Ultra Beasts

ULTRA BEAST ARRIVAL – Pokémon GO

Stay tuned to our Ultra Beast Arrival: Los Angeles coverage for a Mini Collection Challenge! – Pokémon GO

Are Ultra Beasts considered Pokémon? - Quora

Pokémon Go Ultra Beast list, all current and upcoming Ultra Beasts

Pokémon GO Fest 2022: Ultra Beasts, Bonuses & More - Cultured Vultures

Pokémon Go Ultra Beast Buzzwole for PvP Ultra league or Master league