Updated: April 20, 2012 at 10:06 AM

'The Avengers' premiere in London (13 images)

The European Premiere of "Marvel Avengers Assemble" at Vue Westfield in London on April 19, 2012. UPI/Paul Treadway

American actress Scarlett Johansson attends The European Premiere of "Marvel Avengers Assemble" at Vue Westfield in London on April 19, 2012. UPI/Paul Treadway

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American actress Scarlett Johansson attends The European Premiere of "Marvel Avengers Assemble" at Vue Westfield in London on April 19, 2012. UPI/Paul Treadway

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American actress Scarlett Johansson attends The European Premiere of "Marvel Avengers Assemble" at Vue Westfield in London on April 19, 2012. UPI/Paul Treadway

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American actor Robert Downey Jr attends The European Premiere of "Marvel Avengers Assemble" at Vue Westfield in London on April 19, 2012. UPI/Paul Treadway

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American actor Robert Downey Jr attends The European Premiere of "Marvel Avengers Assemble" at Vue Westfield in London on April 19, 2012. UPI/Paul Treadway

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American actor Robert Downey Jr attends The European Premiere of "Marvel Avengers Assemble" at Vue Westfield in London on April 19, 2012. UPI/Paul Treadway

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