People arrive for the first day of Comic-Con Thursday, July 20, 2017, in San Diego. Comic-Con, which started as a comic-book convention with 300 participants in 1970 and has grown into a corporate-heavy media showcase that draws more than 130,000 attendees, runs through Sunday in San Diego. (Gregory Bull/AP)
Fans galore have descended on San Diego for this year's Comic-Con, to check out what's hot in film, television and more.
