http://www.newsweek.com/pokemon-go-update-deoxys-ex-raid-battle-1128971

Pokémon Go has a ton of updates and events to enjoy in the coming weeks. But will trainers be ready to take on Deoxys?

Some iOS users received a push notification from the Pokémon Go app informing them that Deoxys will be coming to EX Raid Battles. The notification says “Are your ready? The Psychic-type Mythical Pokémon Deoxys is coming to EX Raid Battles!”