Chris Evans has a history of surprising his costars on The Ellen DeGeneres Show. During the Avengers: Age of Ultron press tour, he snuck out on stage during Scarlett Johansson’s interview with DeGeneres to scare her, and when he and Elizabeth Olsen stopped by the show for Monday’s episode, he pranked his Captain America: Civil War costar by hiding in her dressing room bathroom.
But this time around? Evans got a taste of his own medicine.
DeGeneres first lulled Evans into a false sense of security by sharing an earlier clip of him scaring Olsen. But shortly thereafter, an Ellen staffer dressed like Iron Man popped out to give Evans a surprise of his own. (Olsen, for her part, was stonefaced the second time around.)
Watch the clip below to see both Olsen and Evans’ reactions.
Captain America: Civil War opens on May 6.
More Must-Reads from TIME
- Donald Trump Is TIME's 2024 Person of the Year
- Why We Chose Trump as Person of the Year
- Is Intermittent Fasting Good or Bad for You?
- The 100 Must-Read Books of 2024
- The 20 Best Christmas TV Episodes
- Column: If Optimism Feels Ridiculous Now, Try Hope
- The Future of Climate Action Is Trade Policy
- Merle Bombardieri Is Helping People Make the Baby Decision
Contact us at letters@time.com