And the truth is finally REVEALED!!!
[Image via Kylie Jenner/Instagram.]
The Avengers alumni were spotted filming the followup Captain America: The Winter Soldier on location in Cleveland.
And in between some intense action, they totes shared a high five! Too cute!
So is this just two longtime costars just celebrating a good take? Or is this part of the movie?
You know, no fancy dinners- just sex. JK!
We love that they're just a couple of bros! Though we think The Falcon might make a better wingman! LOLz!
[Image via Splash News.]