Guests attend Comic-Con International, in San Diego.

Sigourney Weaver, from left, Elodie Yung, Deborah Ann Woll, and Jessica Henwick applaud on stage at the "Marvel's The Defenders" panel of Comic-Con International, in San Diego, Cal...

Will Smith reacts at the Netflix Films' "Bright" panel of Comic-Con International, in San Diego.

The cast and fans of the History Channel show "Vikings" attend a mock Viking funeral in San Diego Bay on day 2 of Comic-Con International, in San Diego, California.

Sydney McNutt, from left, Tyler Trenkle and Melanie Eckstein, dressed as characters from "Silent Hill," pose for a portrait on day two of Comic-Con International, in San Diego.

Connor Sullivan, dressed as Necromorph from the video game "Dead Space," poses for a portrait on day two of Comic-Con International, in San Diego.

David Benaron, dressed as Heuler, poses for a portrait on day two of Comic-Con International, in San Diego.

Fan Christopher Lomas, dressed as the Night King, asks a question at the "Game of Thrones" panel on day two of Comic-Con International, in San Diego.

Christiana Broughton, left, and her mom Carolyn, both of Jacksonville, Fla., dressed as Amaterasu from the video game Okami and a 70's-era Black Panther, attend the first day of Co...

Lawrence Hollie, of Burbank California, dressed as Goth Robot 2.0 poses for a portrait on day one of Comic-Con International, in San Diego.

Melinda Gross, left, and Kit Quinn, dressed as Velma and Daphne from "Scooby Doo" pose on day one of Comic-Con International, in San Diego.

David Schoelen of Riverside, California, dressed as the Demogorgon from "Stranger Things," poses for a portrait on day one of Comic-Con International, in San Diego.

David Schoelen, left, and Paul Baum, of Riverside, dressed as the Demogorgon and Eleven from "Stranger Things," pose for a portrait on day one of Comic-Con International, in San Di...

A student from the Cinema Makeup School, dressed as the Joker character, attends the first day of Comic-Con International at the San Diego Convention Center in San Diego, Californi...

Howard Gemsler of Irvine, dresses as Batman on day one of Comic-Con International, in San Diego.

Cherish Johnson, left, dressed as Sally from "The Nightmare Before Christmas," and Megan Severns, dressed as Mystique from the "X-Men" franchise, pose together on day one of Comic-...

Tyler Waguespack, of Gonzales, La., wins the steer wrestling event during rodeo finals action at the Calgary Stampede in Calgary, Alberta.

The Hare Krishna Festival of Chariots gets under way as festival-goers dance and pull a 40ft (12 metre) high chariot through the streets of Leicester, central England.

Kamaal Khan performs at the 2017 International Indian Film Academy Festival's IIFA Rocks at MetLife Stadium, in East Rutherford, New Jersey.

Director Madhur Bhandarkar, Music composer Bappi Lahri along with actors Kirti Kulhari and Ishika Taneja during the song launch "Dilli Ki Raat" from film Indu Sarkar, in New Delhi.