Marvel revealed some titbits of info about the upcoming Thor: Ragnarok during Comic Con this year.
It showed off Hulk's distinctive Gladiator armour, which he wore in comics. This, it is believed, indicates that his storyline will draw from the Planet Hulk comics.
Marvel also showed an amusing clip to explain what Thor and Hulk were doing during the events of Civil War. Apparently, Thor just needed some "me time," but was hoping for a call-up, while Bruce Banner was also waiting on the phone to ring. Hopefully this clip ends up online soon.
Those in attendance got to see a shot of Cate Blanchett as Hela, but again we are waiting for this to crop up online.