He’s been hard at work shooting upcoming action movie Captain America: The Winter Soldier on location in Washington DC.

And it would seem that in spite of his relentless schedule, Chris Evans has been finding time to put in some long hours at the gym.

Shooting new scenes alongside co-stars Scarlett Johansson and Anthony Mackie, the 31-year-old actor was showing off a decidedly bulkier physique as he got to work on set.

Buff body! Chris Evans showed off his bulky physique while on the set of Captain America: The Winter Soldier on the National Mall in Washington DC on Tuesday

Wearing a tight-fitting grey T-shirt, the star was sporting a set of bulging biceps, which will no doubt leave men the world over feel more than a little envious.

Showing off his buff body in all its glory, the Captain America hunk seemed to be in great spirits as he chatted away to his co-stars in between takes.

But it would seem maintaining such an incredible physique is by no means an easy task, with eyewitnesses on set saying Chris was even spotted doing press-ups as he took time out from filming.

Been hitting the gym? The 31-year-old actor showed off his bulging biceps in a tight grey T-shirt as he chatted to co-star Anthony Mackie

A body fit for a superhero: In spite of his relentless schedule, Chris certainly looked as though he had been putting some hours in at the gym

Something to smile about: The Captain America hunk seemed to be in great spirits as he chatted away to his co-stars in between takes

The actor was joined on set by leading lady Scarlett, who was sporting her iconic Black Widow leather costume as she reclined in the director’s chair.

Anthony Mackie – who plays Falcon in Captain America – seemed to be in particularly good spirits throughout the shoot, smiling and joking with his co-stars as they took some time out from their gruelling schedule.

Shooting the movie, a follow-up to the 2011 blockbuster Captain America: The First Avenger, has already caused havoc on the streets of Washington, with numerous streets closed as filming gets underway.

Leading lady: Scarlett Johansson joined her co-stars on set in Washington DC as she reprised her role as Black Widow

Taking a break: The actress was sporting her iconic Black Widow leather costume as she reclined in the director’s chair

The new movie will see Steve Rogers – portrayed by Evans – struggle to embrace his role in the modern world as he teams up with Natasha Romanoff (Johansson) to take on a powerful enemy in present-day Washington, D.C.

Newcomer Mackie told inquisitr.com: ‘This movie has kind of become Avengers 1.5. If you look at the cast they’ve put together, if you look at the number of characters that are in this movie.

‘It’s a huge number of superheroes and characters. The basic idea is that you have Captain America, Black Widow, and Falcon that get together to take down the Winter Solider.’

Scarlett woman! The star was showing off her recently-dyed red locks as she chilled out on set

One big happy family: Scarlett cuddled up to a member of the production team in between takes for the action-packed movie

‘I’m playing the Falcon. He’s this guy in Harlem who moved to California and became a drug dealer. His place crashed, and he was genetically altered, and he can fly, has telepathic powers.

‘He’s the first African-American superhero. It makes me feel all the work I’ve done has been paying off. I have a son, nephews, and nieces, and I love the idea that they can dress up as the Falcon on Halloween.

‘They now have someone they can idolise. That’s a huge honor for me.’

Lock-down: Shooting the movie, a follow-up to the 2011 blockbuster Captain America: The First Avenger, has already caused havoc on the streets of Washington, with numerous streets closed as filming gets underway

Action-packed: The new movie will see Steve Rogers – portrayed by Evans – struggle to embrace his role in the modern world as he teams up with Natasha Romanoff (Johansson) to take on a powerful enemy in present-day Washington, D.C

Evans and Johansson headline the A-List cast of Captain America: The Winter Solider which, unlike the original that was set in WWII, takes place in present day.

The massive gap in time is because the new film is about after Captain America, played again by Chris Evans, awakes after being frozen in ice.

Captain America: The First Avenger took in a huge $140 million at box offices.

Modern: Evans and Johansson headline the A-List cast of Captain America: The Winter Solider which, unlike the original that was set in WWII, takes place in present day