https://www.cnet.com/news/at-comic-con-wonder-woman-dc-universe-shazam-and-doctor-who-aim-to-fill-avengers-sized-hole/ > Thanos' infamous snap at the end of Avengers: Infinity War may have done more than wipe out half of all life in the universe -- it potentially sucked some of the air out of this year's San Diego Comic-Con. > The annual con, which kicked off with a preview night on Wednesday, launches with some of its biggest headliners out of the fold. With Infinity War heading into homes via Blu-ray and the next Avengers film slated for 2019, Marvel Studios has opted out of a big presence at the convention. Likewise, key HBO franchises Game of Thrones and Westworld are a no-show.