Mega Heracross returns to Pokemon Go on April 13, 2025, during the Sparring Partners Raid Day. This Bug/Fighting-type Pokemon, with its rare Shiny form, will be available in Mega Raids for a limited three-hour window. Players can defeat Mega Heracross to catch Heracross and earn Mega Energy, essential for evolving it. Focus on Flying-type counters to maximize your chances.
source https://timesofindia.indiatimes.com/sports/esports/pokemon/pokemon-go-mega-heracross-raid-guide-best-counters-cp-weaknesses-evolution-and-more/articleshow/120238412.cms
source https://timesofindia.indiatimes.com/sports/esports/pokemon/pokemon-go-mega-heracross-raid-guide-best-counters-cp-weaknesses-evolution-and-more/articleshow/120238412.cms