As one Mega enters, another will leave. Mega Venusaur is set to exit Mega Raids as the Halloween 2020 event starts in Pokémon GO, making room for Mega Gengar to bring some season-appropriate frights.

Pokemon Go's latest mega raid is now on, and this time Trainers will be facing off against a massive flower-wearing dinosaur.. Mega Venusaur--an amplified version of one of the first starter ...

Mega Venusaur will be replaced by Mega Gengar starting October 23.