Don't Mess With Widows

As Yelena impatiently waits for their next move to hunting down the Flag Smashers with a bionic-staring machine, an Avenger, and an ex-baron of Sokovia, their stay in Riga only worsens when the new man in stars and stripes appears claiming demands they can't yet meet. That, and he quickly touches nerves that aren't to be meddled with with more than one person on the team...