[[... porn.]] Or, the one where Steve wants to talk to Tony about something important.

It isn't that Tony doesn't like Bruce. He just happens to also have a few fantasies about the other guy.

Steve's fairly certain that he should find his current situation stranger than he does. He's still surprised, of course, and a little embarrassed, to find himself sitting with two highly trained assassins and an extraterrestrial who lends his name to a weekday while one of the world's greatest scientific minds purrs seductively to another about how they're all going to take turns fucking his ass, but not nearly as much as he'd have anticipated.

Bucky discovers Steve was hiding in the wardrobe.

Steve has fantasies about Tony being an omega, very sexy fantasies...

Tony’s almost at the door of his lab when he hears it. It’s low, throaty; just a split second of a thing. But it’s undoubtedly the sound of Barnes moaning.

“Hey, by the way,” Bucky says, “what’s the most times you’ve ever made Steve come in a row?”