The creators of Halo and Destiny are finally ready to show off their next big project: Marathon. It’s a long-awaited title from Bungie and revives the classic Marathon IP in the form of a PvPvE extraction shooter. After a teaser nearly two years ago, the Sony-owned studio just spent an hour showing off Marathon gameplay and game mechanics and revealed the game will launch on September 23rd on PS5, Xbox Series S / X, and PC, with full cross-play and cross-save. There’s even an alpha test…