Yelena frowned slightly at the question but quickly brushed it off in her usual style.

“Oh, you know, I’m just a former assassin on the run from the mob and a bunch of government agents. My mother sent me to this island to lay low until it all blows over.”

In other words: 100% deadpan humor, her expression giving nothing away. Is she lying? Being snarky? It’s hard to tell. Probably both.