Marvel Rivals introduced its newest season, The Mystery of Thebes, in a livestream earlier today, which will add the new characters Jubilee and The Hood into the game. The cinematic trailer was followed by the routine dev vision video where creative director Guangguang and lead combat designer Zhiyong go over balance changes and new team-up abilities, but this update was anything but routine. In addition to overhauling the Team-Up system (more on that later), they’ve almost completely reworked Black Widow’s…