www.cbr.com -BY ANTHONY GRAMUGLIA - Ant-Man 3 will reportedly introduce Kang the Conqueror to the MCU, and he is the ideal villain after Avengers: Endgame thanks to time travel.
screenrant.com -BY LIAM MCGUIRE -A fan theory suggested that Ant-Man could have taken down Thanos in Avengers: Endgame by entering him, which Marvel Comics seems to agree with.