After a lot of hype, the next installment in the Marvel Cinematic Universe, 'Avengers: Age Of Ultron', has begun production in Seoul!

Principal photography began earlier today on the Mapo Bridge, with the thoroughfare closed to cars and pedestrians. Numerous fans showed up to see the action in person!

Photos taken by Yonhap show dozens of trailers and trucks set up near the filming zone, as well as filming taking place.

The sequel to the 2012 ensemble hit, 'Age Of Ultron' also features a South Korean actress, Kim Soo Hyun, in a minor role. Make sure to catch the experience in theaters when it releases next year!

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