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

<> at the El Capitan Theatre on April 11, 2012 in Hollywood, California.

"Schiaparelli And Prada: Impossible Conversations" Costume Institute Gala

attends the "Schiaparelli And Prada: Impossible Conversations" Costume Institute Gala at the Metropolitan Museum of Art on May 7, 2012 in New York City.

"Schiaparelli And Prada: Impossible Conversations" Costume Institute Gala

NEW YORK, NY - MAY 07: Scarlett Johansson attends the "Schiaparelli And Prada: Impossible Conversations" Costume Institute Gala at the Metropolitan Museum of Art on May 7, 2012 in New York City. (Photo by Dimitrios Kambouris/Getty Images)

Scarlett Johansson poses after being hon

Scarlett Johansson poses after being honored with a Star on the Hollywood Walk of Fame on May 2, 2012 in Hollywood, California. The US actress was the recipient of the 2,470th Star on the Walk of Fame, located in front of Madame Tussaud's Hollywood. AFP PHOTO/Frederic J. BROWN (Photo credit should read FREDERIC J. BROWN/AFP/GettyImages)

"The Avengers" Rome Photocall

XXX attends "The Avengers" photocall at De Russie Hotel on April 21, 2012 in Rome, Italy.

Australian actor Chris Hemsworth and US

Australian actor Chris Hemsworth and US actress Scarlett Johansson pose during the photocall of "The Avengers" on April 21, 2012 in Rome. "The Avengers" is directed by US Joss Whedon. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/Getty Images)

(L to R) Australian actor Chris Hemswort

(L to R) Australian actor Chris Hemsworth, British actor Tom Hiddleston, US actress Scarlett Johansson and US actor Mark Ruffalo pose during the photocall of "The Avengers" on April 21, 2012 in Rome. "The Avengers" is directed by US Joss Whedon. AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/Getty Images)

Scarlett Johansson poses for photographs

Scarlett Johansson poses for photographs as she attends Marvel Avengers Assemble European Premiere at Vue Westfield in London, on April 19 2012. AFP PHOTO / JUSTIN TALLIS (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)

Scarlett Johansson poses for photographs

Scarlett Johansson poses for photographs as she attends Marvel Avengers Assemble European Premiere at Vue Westfield in London, on April 19 2012. AFP PHOTO / JUSTIN TALLIS (Photo credit should read JUSTIN TALLIS/AFP/Getty Images)

Actress Scarlett Johansson arrives for t

Actress Scarlett Johansson arrives for 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)

Actress Scarlet Johansson arrives at the

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)

Scott M. Stringer 2013 Mayoral Campaign Fundraiser Hosted By Scarlett Johansson

<> the Scott M. Stringer 2013 Mayoral Campaign fundraiser at the Cabanas at the Maritime on April 5, 2012 in New York City.

"We Bought A Zoo" Premiere - Outside Arrivals

<> the "We Bought a Zoo" premiere at Ziegfeld Theater on December 12, 2011 in New York City.

US actress Scarlett Johansson arrives fo

US actress Scarlett Johansson arrives for the Dolce & Gabbana Spring-Summer 2012 ready-to-wear collection on September 25, 2011 during the Milan's women fashion week. AFP PHOTO / FILIPPO MONTEFORTE (Photo credit should read FILIPPO MONTEFORTE/AFP/Getty Images)

Spike TV's 5th Annual 2011 "Guys Choice" Awards - Arrivals

arrives at Spike TV's 5th annual 2011 "Guys Choice" Awards at Sony Pictures Studios on June 4, 2011 in Culver City, California.

Coach Hosts An Evening of Cocktails and Shopping To Benefit The Children's Defense Fund - Red Carpet

arrives at an Evening of Cocktails and Shopping to Benefit the Children's Defense Fund hosted by Coach at Bad Robot on April 20, 2011 in Santa Monica, California.

Actress Scarlett Johansson arrives on th

Actress Scarlett Johansson arrives on the red carpet for the 83rd Annual Academy Awards held at the Kodak Theatre on February 27, 2011 in Hollywood, California. AFP PHOTO / MARK RALSTON (Photo credit should read MARK RALSTON/AFP/Getty Images)

Vanity Fair Campaign Hollywood 2011 - Cosmopolitan Of Las Vegas & The Art Of Elysium "Pieces Of Heaven Art Auction" - Inside

attends Vanity Fair Campaign Hollywood 2011 continues with the Cosmopolitan of Las Vegas & The Art of Elysium "Pieces of Heaven Art Auction" held at Siren Studios on February 23, 2011 in Hollywood, California.

Actress Scarlett Johansson arrives on th

Actress Scarlett Johansson arrives on the red carpet of the 68th annual Golden Globe awards at the Beverly Hilton Hotel in Beverly Hills, California, on January 16, 2011. AFP PHOTO/Valerie MACON (Photo credit should read VALERIE MACON/AFP/Getty Images)

Scarlett Johansson Attends 'Mango Fashion Awards' 3rd Edition in Barcelona

BARCELONA, SPAIN - OCTOBER 20: Scarlett Johansson attends the 3rd edition of the Mango Fashion Awards held at the MNAC on October 20, 2010 in Barcelona, Spain. (Photo by Robert Marquardt/Getty Images)