The Pokemon Company Confirms The Boss Regigigas Raid Will Take Part In raids EX... The first ex-raids involving Reggigas will begin early next week. In addition, in this cycle, he will be available in the Pokémon GO game until January 7, 2020. We currently have no further information on who will replace Reggigigas after this.
We now know when and for how long Regigigas will be available in EX Raids. Niantic Support gave a little clarification:
Trainers who earn the EX Raid Pass on November 9 will face the Regigigas in the planned EX Raid. If you received the EX Raid Pass before that date, you will run into Mewtwo.
Thanks to this information, it can be argued that the Boss Regigigas raid will be available in ex-raids from November 18-19, 2019 until January 7, 2020.
This will be a pretty short EX raid cycle, but at least we won't get tired of it. Whom to beat him look here.
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