The events of Avengers: Endgame left the Marvel Cinematic Universe without a Big Bad, ending with Thanos self-owning himself and his entire army into dust. However, a new report out of Deadline seems to suggest the search for the MCU's next grand villain might be over. Lovecraft Country breakout Jonathan Majors has joined Ant-Man 3, and though the studio would not confirm, it's looking like he'll be playing Kang the Conqueror. If you're not a comics person, your first thought—after "wait, the guy with the brain in his belly?"—is who the heck …