Handout
Actors Nina Dobrev and Ian Somerhalder attend "The Vampire Diaries" signing in the Warner Bros. booth during Comic-Con 2013 on July 20, 2013, in San Diego.
Kevin Winter/Getty Images
Actress Ellen Page speaks at the 20th Century Fox panel during Comic-Con International 2013 at San Diego Convention Center on July 20, 2013, in San Diego.
Kevin Winter/Getty Images
Actor Ian McKellen speaks at the 20th Century Fox panel during Comic-Con International 2013 at San Diego Convention Center on July 20, 2013, in San Diego.
Michael Yarish/WBTV via Getty Images
"Scooby-Doo! Adventures: The Mystery Map" voice star Matthew Lillard attends the signing in the Warner Bros. booth during Comic-Con 2013 on July 21, 2013, in San Diego.
Jason Merritt
Actors Ginnifer Goodwin and Josh Dallas attend Entertainment Weekly's Annual Comic-Con Celebration at Float at Hard Rock Hotel San Diego on July 20, 2013, in San Diego.
Alberto E. Rodriguez/Getty Images
Actress Keri Russell attends day 3 of the WIRED Cafe at Comic-Con on July 20, 2013, in San Diego.
Actor Henry Cavill arrives at DC Entertainment and Warner Bros. host Superman 75 party at San Diego Comic-Con at Hard Rock Hotel San Diego on July 19, 2013, in San Diego.
Kevin Winter
Producer/actor Danny DeVito speaks at the "It's Always Sunny In Philadelphia" screening and Q&A during Comic-Con International 2013 at San Diego Convention Center on July 21, 2013, in San Diego.
Ethan Miller/Getty Images
Actress Scarlett Johansson attends Marvel's "Captain America: The Winter Soldier" press line during Comic-Con International 2013 at the Hilton San Diego Bayfront Hotel on July 20, 2013, in San Diego.
Charley Gallay
Actress Olivia Munn attends the Playboy and Universal Pictures' "Kick-Ass 2" event at Comic-Con sponsored by AXE Black Chill on July 19, 2013, in San Diego.
Kevin Winter
Actor Michael Keaton speaks onstage at the Sony and Screen Gems panel for "RoboCop" during Comic-Con International 2013 at San Diego Convention Center on July 19, 2013, in San Diego.
Kevin Roche/WBTV via Getty Images
"The Following" star Kevin Bacon is in the Warner Bros. booth during Comic-Con 2013 on July 19, 2013, in San Diego.
Kevin Winter/Getty Images
Actress Kristen Bell and actor Enrico Colantoni speak onstage at the "Veronica Mars" special video presentation and Q&A during Comic-Con International 2013 at San Diego Convention Center on July 19, 2013, in San Diego.
Handout
In this handout photo provided by WBTV, "Edge of Tomorrow" stars Emily Blunt and Tom Cruise at the Warner Bros. booth during Comic-Con 2013 on July 20, 2013, in San Diego.
Kevin Winter
Actresses Halle Berry and Anna Paquin speak at the 20th Century Fox panel during Comic-Con International 2013 at San Diego Convention Center on July 20, 2013, in San Diego.
Ethan Miller
Actor Giancarlo Esposito attends NBC's "Revolution" Press Line during Comic-Con International 2013 at Hilton San Diego Bayfront Hotel on July 20, 2013, in San Diego.
Kevin Winter/Getty Images
Mediator Craig Ferguson speaks onstage at BBC America's "Doctor Who" 50th Anniversary panel during Comic-Con International 2013 at San Diego Convention Center on July 21, 2013, in San Diego.
Kevin Winter/Getty Images
Actress Zoe Saldana speaks onstage at Marvel Studios "Guardians of the Galaxy" during Comic-Con International 2013 at San Diego Convention Center on July 20, 2013, in San Diego.
Kevin Winter/Getty Images
Cobie Smulders speaks onstage at Marvel Studios "Thor: The Dark World" and "Captain America: The Winter Soldier" during Comic-Con International 2013 at San Diego Convention Center on July 20, 2013, in San Diego.
Kevin Winter/Getty Images
Actress Katey Sagal speaks onstage at the "Sons Of Anarchy" panel during Comic-Con International 2013 at San Diego Convention Center on July 21, 2013, in San Diego.
Kevin Winter/Getty Images
Actress Halle Berry speaks at the 20th Century Fox "X-Men: Days of Future Past" panel during Comic-Con International 2013 at San Diego Convention Center on July 20, 2013, in San Diego.
Ethan Miller/Getty Images
Actors Josh Hutcherson and Jennifer Lawrence attend Lionsgate's "The Hunger Games: Catching Fire" and "I, Frankenstein" Press Line during Comic-Con International 2013 at Hilton Bayfront on July 20, 2013, in San Diego.
Kevin Winter/Getty Images
Actress Elizabeth Olsen speaks onstage at the Warner Bros. and Legendary Pictures preview of "Godzilla" during Comic-Con International 2013 at San Diego Convention Center on July 20, 2013, in San Diego.
Kevin Winter
Actress Anna Faris speaks onstage at the Sony and Screen Gems panel for "Cloudy With A Chance Of Meatballs 2" during Comic-Con International 2013 at San Diego Convention Center on July 19, 2013, in San Diego.
Jason Merritt
Actress Jennifer Grey attends Entertainment Weekly's Annual Comic-Con Celebration at Float at Hard Rock Hotel San Diego on July 20, 2013, in San Diego.
Kevin Winter
From left, actors Bryan Cranston, Aaron Paul, and Anna Gunn speak onstage at the "Breaking Bad" panel during Comic-Con International 2013 at San Diego Convention Center on July 21, 2013, in San Diego.
Joe Scarnici
Actors Sylvester Stallone and Arnold Schwarzenegger attend the "Escape Plan" screening and red carpet during Comic-Con International 2013 at Reading Cinemas Gaslamp on July 18, 2013, in San Diego.
Joe Scarnici
Actor Harrison Ford speaks onstage at the "Ender's Game" press conference during Comic-Con International 2013 at San Diego Convention Center on July 18, 2013, in San Diego.
Ethan Miller
Comic book icon Stan Lee attends his "World of Heroes" YouTube channel panel during Comic-Con International 2013 at the Hilton San Diego Bayfront Hotel on July 19, 2013, in San Diego.
Ethan Miller
Actor William Shatner attends Comedy Legends of TV Land during Comic-Con International 2013 at Hilton San Diego Bayfront Hotel on July 18, 2013, in San Diego.
Ethan Miller
From left, actors William Shatner, Roseanne Barr and Wayne Knight speak onstage at Comedy Legends of TV Land during Comic-Con International 2013 at Hilton San Diego Bayfront Hotel on July 18, 2013, in San Diego.
Jerod Harris
Actor Sean Astin attends IGN And Focus Features Comic-Con 2013 Party Presented By The World's End at Float at Hard Rock Hotel San Diego on July 18, 2013, in San Diego.
Kevin Winter/Getty Images
Sara Colleton, Scott Buck, Aimee Garcia, and Desmond Harrington speak onstage at the "Trailer Park" panel during Comic-Con International 2013 at San Diego Convention Center on July 18, 2013, in San Diego.
Kevin Winter
Michael C. Hall speaks onstage at Showtime's "Dexter" panel during Comic-Con International 2013 at San Diego Convention Center on July 18, 2013, in San Diego.
Jerod Harris/Getty Images for IGN Entertainment
From left, writer/actor Simon Pegg, actor Bill Paxton and director/writer Edgar Wright attend IGN And Focus Features Comic-Con 2013 Party Presented By The World's End at Float at Hard Rock Hotel San Diego on July 18, 2013, in San Diego.
Ethan Miller
Actor Mekhi Phifer arrives at Summit Entertainment's press event for the movies "Ender's Game" and "Divergent" at the Hard Rock Hotel San Diego on July 18, 2013, in San Diego.
Ethan Miller
Actress Shar Jackson arrives at Summit Entertainment's press event for the movies "Ender's Game" and "Divergent" at the Hard Rock Hotel San Diego on July 18, 2013, in San Diego.
Ethan Miller
Actress Zoe Kravitz arrives at Summit Entertainment's press event for the movies "Ender's Game" and "Divergent" at the Hard Rock Hotel San Diego on July 18, 2013, in San Diego.
Ethan Miller
Actress Shailene Woodley arrives at Summit Entertainment's press event for the movies "Ender's Game" and "Divergent" at the Hard Rock Hotel San Diego on July 18, 2013, in San Diego.
Michael Buckner/Getty Images for Summit Entertainment
Actors Asa Butterfield and Hailee Steinfeld attend the "Ender's Game" Experience Press Preview Night Sponsored by HGTV during Comic-Con International 2013 at Martin Luther King Jr. Park on July 17, 2013, in San Diego.
Mark Davis
Actor Jack Black walks down the street during Comic-Con International at San Diego Convention Center on July 18, 2013, in San Diego.
Michael Buckner/Getty Images
Director Gavin Hood attends "Ender's Game" Experience Press Preview Night during Comic-Con International 2013 at Martin Luther King Jr. Park on July 17, 2013, in San Diego.
Michael Buckner/Getty Images for Summit Entertainment
General view of the atmosphere at the "Ender's Game" Experience Press Preview Night Sponsored by HGTV during Comic-Con International 2013 at Martin Luther King Jr. Park on July 17, 2013, in San Diego.
Ethan Miller/Getty Images
Maria Duenas of California poses for photos with zombie characters at the booth for the television series "The Walking Dead" during Comic-Con International 2013 at the San Diego Convention Center on July 17, 2013, in San Diego.
Jerod Harris/Getty Images
"The Walking Dead" comic creator Robert Kirkman and car builder Mad Mike attend the unveiling of "The Walking Dead" Zombie Survival Machine at the Future U.S. Booth at Comic-Con on July 17, 2013, in San Diego.
Michael Buckner/Getty Images for Summit Entertainment
General view of the atmosphere at the "Ender's Game" Experience Press Preview Night Sponsored by HGTV during Comic-Con International 2013 at Martin Luther King Jr. Park on July 17, 2013, in San Diego.
Jerod Harris/Getty Images
Actress Alyssa Milano arrives at DC Entertainment and Warner Bros. host Superman 75 party at San Diego Comic-Con at Hard Rock Hotel San Diego on July 19, 2013, in San Diego.