Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

Actress Scarlet Johansson arrives at the the world premiere of Marvel?s "The Avengers" at the El Capitan Theatre in Hollywood, California, April 11, 2012. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Aisha Tyler arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

Actor Chris Hemsworth arrives at the the world premiere of Marvel?s "The Avengers" at the El Capitan Theatre in Hollywood, California, April 11, 2012. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Richard Grieco arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Robert Downey Jr. (L) and Susan Downey arrive at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Spencer Boldman arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Samuel L. Jackson arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actors Seth Green and Clare Grant arrive at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Chris Evans arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Ryoko Yonekura arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

Actor Mark Ruffalo (R) and Sunrise Coigney arrive at the the world premiere of Marvel?s "The Avengers", at the El Capitan Theatre in Hollywood, California, April 11, 2012. AFP PHOTO / Robyn Beck (Photo credit should read ROBYN BECK/AFP/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Dylan Riley Snyder arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Writer/director Joss Whedon arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Kelli Berglund arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Writer/producer Stan Lee arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Writer/producer Stan Lee arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actors Stellan Skarsgard (L) and Alexander Skarsgard arrive at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor/comedian Hal Sparks arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Susan Downey (L) and actor Robert Downey Jr. arrive at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Tom Hiddleston arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Scarlett Johansson arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Writer/producer Stan Lee arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Katie Leclerc arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actors Clark Gregg (L) and Jennifer Grey arrive at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Debby Ryan arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Chris Hemsworth arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Jennifer Grey arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Scarlett Johansson arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: TV Personality Audrina Patridge arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Renee Olstead arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Musician Chris Cornell (C) and family arrive at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Musician Chris Cornell (L) with Soundgarden arrive at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Tom Hiddleston arrives at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Titus Welliver (C) and family arrive at the premiere of Marvel Studios' "The Avengers" at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Bella Thorne arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Cobie Smulders arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Dominic Monaghan arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Roshon Fegan arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Dancer Karina Smirnoff arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actor Dominic Monaghan arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Scarlett Johansson arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)

Premiere Of Marvel Studios' "Marvel's The Avengers" - Arrivals

HOLLYWOOD, CA - APRIL 11: Actress Francia Raisa arrives at the premiere of Marvel Studios' 'The Avengers' at the El Capitan Theatre on April 11, 2012 in Hollywood, California. (Photo by Jason Merritt/Getty Images)