Chris Evans

Fans upset over Chris Evans' apparent farewell as Captain America

Evans tweeted Thursday about his final day on the "Avengers 4" set.

"Officially wrapped on Avengers 4. It was an emotional day to say the least," the star said on Twitter. "Playing this role over the last 8 years has been an honor. To everyone in front of the camera, behind the camera, and in the audience, thank you for the memories! Eternally grateful."