He snorts, an amused smile coming to his lips. "Sorry, but when you've dated a lot of super powered guys, it's just a reminder that comes pretty natural..." It wasn't just Daken, but Loki's received similar warnings too after all. Billy gives a pleased hum and rolls his hips up into his hand.

"Sure, we can do a safe word..." He pauses, thoughtfully. "How about 'Avengers'? That stands out as not really usual bedroom talk."

And it's not as geeky as it could have been, coming from Billy.