EXCLUSIVE: Robert Downey Jr. reveals which 'Civil War' co-star is his wife's 'free pass'

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Robert Downey Jr. Reveals Which 'Captain America: Civil War' Co-Star Is His Wife's Free Pass

On Wednesday, Robert Downey Jr. joked in an interview with Howard Stern that his Iron Man love interest, Gwyneth Paltrow, is his "free pass" -- as in, the one woman his wife, Susan, would be okay with him sleeping with.

Later that day, Downey spoke to ET at a New York City screening of Captain America: Civil War where he got the chance to turn the tables, so to speak, and reveal which of his co-stars he'd choose to be his wife's "free pass."

PHOTOS: Robert Downey Jr. and his wife

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EXCLUSIVE: Robert Downey Jr. reveals which 'Civil War' co-star is his wife's 'free pass'
Actor Robert Downey Jr. (R) and his wife, producer Susan Downey, attend at the BAFTA Los Angeles Jaguar Britannia Awards, October 30, 2014 at The Beverly Hilton Hotel in Beverly Hills, California. . AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
Actor Robert Downey Jr. (R) poses belly-to-belly with his wife, producer Susan Downey, at the BAFTA Los Angeles Jaguar Britannia Awards, October 30, 2014 at The Beverly Hilton Hotel in Beverly Hills, California. . AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
Actor Robert Downey Jr. (R) poses belly-to-belly with his wife, producer Susan Downey, at the BAFTA Los Angeles Jaguar Britannia Awards, October 30, 2014 at The Beverly Hilton Hotel in Beverly Hills, California. . AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
BEVERLY HILLS, CA - OCTOBER 01: Actor Robert Downey Jr. and producer/wife Susan Downey arrive for the Premiere Of Warner Bros. Pictures And Village Roadshow Pictures' 'The Judge' held at AMPAS Samuel Goldwyn Theater on October 1, 2014 in Beverly Hills, California. (Photo by Albert L. Ortega/Getty Images)
BEVERLY HILLS, CA - OCTOBER 01: Actor Robert Downey Jr. and producer/wife Susan Downey arrive for the Premiere Of Warner Bros. Pictures And Village Roadshow Pictures' 'The Judge' held at AMPAS Samuel Goldwyn Theater on October 1, 2014 in Beverly Hills, California. (Photo by Albert L. Ortega/Getty Images)
BEVERLY HILLS, CA - OCTOBER 01: (EDITORS NOTE: This image has been converted from color to B/W) Actor Robert Downey Jr. and his wife Producer Susan Downey arrive for the Warner Bros. Pictures and Village Roadshow Pictures' Premiere of 'the Judge' at AMPAS Samuel Goldwyn Theater on October 1, 2014 in Beverly Hills, California. (Photo by Frazer Harrison/Getty Images)
TORONTO, ON - SEPTEMBER 04: Actor Robert Downey Jr. and wife Susan Downey attend 'The Judge' premiere held at at Roy Thomson Hall on September 4, 2014 in Toronto, Canada. (Photo by Tommaso Boddi/WireImage)
HOLLYWOOD, CA- APRIL 24: Actor Robert Downey Jr. and wife Susan Downey arrive at the 'Iron Man 3' - Los Angeles Premiere at the El Capitan Theatre on April 24, 2013 in Hollywood, California.(Photo by Jeffrey Mayer/WireImage)
HOLLYWOOD, CA - APRIL 24: Actor Robert Downey, Jr. and wife Susan Downey arrive at the 'Iron Man 3' - Los Angeles Premiere at the El Capitan Theatre on April 24, 2013 in Hollywood, California. (Photo by Allen Berezovsky/WireImage)
HOLLYWOOD, CA - APRIL 24: Actor Robert Downey Jr. (L) and his wife Susan Downey attend the U.S. Premiere of Marvel's Iron Man 3 hosted by Audi at the El Capitan Theatre on April 24, 2013 in Hollywood, California. (Photo by Charley Gallay/Getty Images for Audi)
HOLLYWOOD, CA - APRIL 24: Actor Robert Downey Jr. (L) and his wife, Susan Downey, attend the premiere of Walt Disney Pictures' 'Iron Man 3' at the El Capitan Theatre on April 24, 2013 in Hollywood, California. (Photo by Imeh Akpanudosen/Getty Images)
HOLLYWOOD, CA - APRIL 24: Actor Robert Downey Jr. (R) and wife producer Susan Downey attend the premiere of Walt Disney Pictures' 'Iron Man 3' at the El Capitan Theatre on April 24, 2013 in Hollywood, California. (Photo by David Livingston/Getty Images)
HOLLYWOOD, CA - APRIL 11: Actor Robert Downey Jr. and his wife 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)
LOS ANGELES, CA - OCTOBER 13: Robert Downey Jr. and wife Susan Downey arrive at the 25th Annual American Cinematheque Award Honoring Robert Downey Jr. at the Beverly Hilton Hotel on October 14, 2011 in Beverly Hills, California. (Photo by Gregg DeGuire/FilmMagic)
LOS ANGELES, CA - OCTOBER 13: Robert Downey Jr. and wife Susan Downey arrive at the 25th Annual American Cinematheque Award Honoring Robert Downey Jr. at the Beverly Hilton Hotel on October 14, 2011 in Beverly Hills, California. (Photo by Gregg DeGuire/FilmMagic)
Actor Robert Downey Jr. and wife, Producer Susan Downey arrive at the premiere of 'Unknown” in Los Angeles, California on February 16, 2011. AFP PHOTO / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)
Actor Robert Downey Jr. and wife, Producer Susan Downey arrive at the premiere of 'Unknown” in Los Angeles, California on February 16, 2011. AFP PHOTO / GABRIEL BOUYS (Photo credit should read GABRIEL BOUYS/AFP/Getty Images)
HOLLYWOOD, CA - OCTOBER 28: Robert Downey Jr. and wife Susan Downey arrive at the Los Angeles Premiere of 'Due Date' at the Grauman's Chinese Theater on October 28, 2010 in Hollywood, California. (Photo by Gregg DeGuire/FilmMagic)
Actor Robert Downey Jr. and wife producer Susan Downey arrive at the Los Angeles Premiere 'Iron Man 2' at the El Capitan Theatre on April 26, 2010 in Hollywood, California. (Photo by Jon Kopaloff/FilmMagic)
Actor Robert Downey Jr and his wife, executive producer Susan Downey (R) arrive for the world premiere of Iron Man 2 at the El Capitan Theater n the Hollywood section of Los Angeles on April 26, 2010. AFP PHOTO / ROBYN BECK (Photo credit should read ROBYN BECK/AFP/Getty Images)
Actor Robert Downey Jr. (L) and wife Susan Downey attend the 82nd Annual Academy Awards held at the Kodak Theater on March 7, 2010 in Hollywood, California. (Photo by Dan MacMedan/WireImage)
HOLLYWOOD - MARCH 07: Actor Robert Downey Jr. and wife Susan Downey arrives at the 82nd Annual Academy Awards held at Kodak Theatre on March 7, 2010 in Hollywood, California. (Photo by Jason Merritt/Getty Images)
LOS ANGELES, CA - MARCH 02: Robert Downey Jr. (R) and his wife Susan Downey (L) attend a game between the Indiana Pacers and the Los Angeles Lakers at Staples Center on March 2, 2010 in Los Angeles, California. (Photo by Noel Vasquez/Getty Images)
MADRID, SPAIN - JANUARY 13: Actor Robert Downey Jr and wife producer Susan Downey attends 'Sherlock Holmes' premiere at Kinepolis cinema on January 13, 2010 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)
MADRID, SPAIN - JANUARY 13: Actor Robert Downey Jr and wife producer Susan Downey attends 'Sherlock Holmes' premiere at Kinepolis cinema on January 13, 2010 in Madrid, Spain. (Photo by Carlos Alvarez/Getty Images)
NEW YORK - DECEMBER 17: Actor Robert Downey Jr. and his wife Susan Downey attend the premiere of 'Sherlock Holmes' at Alice Tully Hall, Lincoln Center on December 17, 2009 in New York, New York. (Photo by Bryan Bedder/Getty Images)
WESTWOOD, LOS ANGELES, CA - JUNE 18: Actor Robert Downey Jr. (R) and wife Susan Downey arrive at the 2009 Los Angeles Film Festival's Opening Night Premiere of 'Paper Man' held at the Mann Village Theatre on June 18, 2009 in Westwood, Los Angeles, California. (Photo by Jesse Grant/WireImage)
LOS ANGELES - MARCH 15: Actor Robert Downey Jr. kisses his wife Susan during a game between the Dallas Mavericks and the Los Angeles Lakers at Staples Center on March 15, 2009 in Los Angeles, California. NOTE TO USER: User expressly acknowledges and agrees that, by downloading and/or using this Photograph, user is consenting to the terms and conditions of the Getty Images License Agreement. Mandatory Copyright Notice: Copyright 2009 NBAE (Photo by Andrew D. Bernstein/NBAE via Getty Images)
PARK CITY, UT - JANUARY 21: Actor Robert Downey Jr. and wife Susan Levin attend the Creative Coalition party for festival film 'A Guide to Recognizing Your Saints' at the Racquet Club during the Sundance Film Festival on January 21, 2006 in Park City, Utah. (Photo by Evan Agostini/Getty Images)
TORONTO - SEPTEMBER 08: Actor Robert Downey Jr. and wife Susan Levin attend the Toronto International Film Festival premiere after party for 'Kiss Kiss Bang Bang' at PUR September 08, 2005 in Toronto, Canada. (Photo by Evan Agostini/Getty Images)
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"I'm gonna go [Paul] Bettany, you know?" admitted Downey Jr., referring to the actor who voiced Iron Man's computer side-kick Jarvis and now stars as The Vision in Marvel's superhero saga. "He's got that European, British flair."

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Downey, Jr. wasn't joined by his wife on the red carpet for the New York screening, which is the latest in a string of cities the 51-year-old star has traveled to while gearing up for the release of the upcoming action epic. Which begs the question: Which stop on the Civil War promotional tour was the actor's favorite?

"I'm from New York, so I gotta say New York, but I mean, Berlin was amazing, Paris was a blast, London is always fun," Downey, Jr. recounted. "I got to swing through San Francisco on the way home for a minute. I love the planet. I'm glad to be on the planet."

And the planet is happy about the forthcoming Marvel film. This installment in the Captain America series has already enjoyed massive, record-breaking pre-sales, which Downey, Jr. says is due to it being "a really good movie."

MORE: How 'Captain America: Civil War' Finally Got Spider-Man Right (and 6 Other Things We Loved)

"I think it deserves it and fans are loving it and I think people are gonna enjoy it," he shared.

Captain America: Civil War explodes into theaters May 6

For more on the Iron Man star's candid, sit-down interview with Howard Stern, check out the video below.

Robert Downey Jr. Reveals Gwyneth Paltrow is His 'Free Pass'


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