Updated: July 21, 2013, 12:00 AM
In pictures: Comic-Con International 2013
Sylvester Stallone, left, and Arnold Schwarzenegger arrive at the "Escape Plan" special screening on Day 2 of Comic-Con International on Thursday, July 18, 2013 in San Diego, Calif. (Photo by Chris Pizzello/Invision/AP) *** Local Caption *** 2013 Comic-Con - Escape Plan Special Screening.JPEG-0ed10.jpg
Aaron Eckhart attends the "I, Frankenstein" panel on Day 4 of Comic-Con International on Saturday, July 20, 2013 in San Diego. (Photo by Jordan Strauss/Invision/AP) *** Local Caption *** 2013 Comic-Con - I Frankenstein Panel.JPEG-0dc4b.jpg
Michael Keaton, left, Samuel L. Jackson, centre, and Joel Kinnaman attend the RoboCop panel on Day 3 of Comic-Con International. Jordan Strauss / Invision / AP
Jeff Bridges, left, Sergey Bodrov, centre, and Antje Traue attend the Seventh Son panel on Day 4 of Comic-Con International. Jordan Strauss / Invision / AP
Henry Cavill, left, and Stanley Tucci attend the Superman 75th Anniversary panel on Day 4 of the Comic-Con International. Chris Pizzello / Invision / AP
From left, Liam Hemsworth, Josh Hutcherson and Jennifer Lawrence attend the The Hunger Games: Catching Fire panel Day 4 of Comic-Con International. Jordan Strauss / Invision / AP
The cast of X-Men: Days of Future Past seen at the 20th Century Fox Presentation at 2013 Comic-Con. Eric Charbonneau / Invision for 20th Century Fox / AP Images
Fro left: Director Alfonso Cuaron, producer David Heyman and actress Sandra Bullock speak onstage at the Warner Bros and Legendary Pictures preview of Gravity during Comic-Con International. Kevin Winter / Getty Images / AFP
From left: Actor Jason Clarke, actress Keri Russell and actor Andy Serkis speak at the 20th Century Fox Dawn of the Planet of the Apes panel during Comic-Con International 2013. Kevin Winter / Getty Images / AFP
From left: Actor Ian McKellen, actress Halle Berry and actress Anna Paquin speak at the 20th Century Fox X-Men: Days of Future Past panel during Comic-Con International 2013. Kevin Winter / Getty Images / AFP
From left: Max Thieriot, Olivia Cooke, Freddie Highmore and Vera Farmiga and A&E Executive Vice President David McKillop attend A&E's Bates Motel Party during Comic-Con International 2013. Ethan Miller / Getty Images / AFP
Actress Ginnifer Goodwin attends Entertainment Weekly's Annual Comic-Con Celebration at Float at Hard Rock Hotel San Diego on July 20, 2013. Jason Merritt / Getty Images / AFP
Actor Kit Harington attends Entertainment Weekly's Annual Comic-Con Celebration at Float at Hard Rock Hotel San Diego. Jason Merritt / Getty Images / AFP
From left: Paul Wesley, Ron Perlman and Ian Somerhalder, attend Entertainment Weekly's Comic-Con Celebration at the Hard Rock Hotel. Alexandra Wyman / Invision for Entertainment Weekly / AP Images
An attendee dressed as Black Widow takes picture of Thor at the Legendary Entertainment booth at Comic-Con International 2013. Jeff Bottari / Invision for LG / AP Images