Everything you need to know about the hottest panels at San Diego Comic-Con 2019

The biggest pop culture celebration in the world celebrates its 50th birthday this year, and for such a milestone anniversary San Diego Comic-Con has certainly teed up a slew of exciting panels as the annual convention gets underway on Thursday. From Warner Bros.' big showing this year to the return of Marvel Studios -- as well as the big splash HBO is poised to make, with panels celebrating Game of Thrones, Westworld and His Dark Materials -- here's a brief rundown on what we think are some of ...