I heard of few things about Hawk in Season 4 on YouTube of what could happen. I have a few theories as well.

1. Hawk’s tragic - Hawk could end up attacked door Tory and the cobra Kai gang? We know already that Tory warned Hawk in the end of S3, Ep10 door saying: "You better watch your back." since Hawk switched sides door quitting cobra Kai and joining Eagle Fang to reunite with his true friends; Miguel, Demetri and Mitch. There has been theories about him getting beaten door the cobra Kai students, Tory, Kyler and possibly Shawn (the teen that Robby fought in juvie). In a screenshot of Hawk going...