Harrison Ford & Tim Blake Nelson (Wearing Green Paint on His Hands) Get to Work on Set 'Captain America 4'

Harrison Ford and Tim Blake Nelson are spending the day filming the upcoming Captain America 4!

The two actors were seen arriving on set of the upcoming Marvel movie, officially titled Captain America: New World Order, on Wednesday afternoon (March 29) in Atlanta, Georgia.

Harrison was seen wearing a a light-blue, buttoned-down shirt with a navy tie while Tim wore a green plaid shirt while sporting his character Samuel Sterns’ green body paint on his hands.

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Tim first appeared in 2008′s The Incredible Hulk as Samuel Sterns, the cellular biologist turned supervillain. He is now reprising that role in Captain America 4, and one of his original Incredible Hulk co-stars was spotted on set of the upcoming new movie earlier this week!

If you didn’t know, Harrison will be playing General Thaddeus “Thunderbolt” Ross in the new movie.

If you haven’t seen them yet, you can check out the first photos of Anthony Mackie on set of Captain America 4 here!

Click through the gallery for 10+ pictures of Harrison Ford & Tim Blake Nelson on set…