Derek as Khal Drogo (but set in snow beyond the wall) and Stiles as Daenerys Stormborn (although he's a greenseer of the Children rather than a dragon)

"Oh," Izuna said -- delicately, while studiously reading his folder, "I'm afraid we need someone with a ... strong personality for Naohime." "Why's that?" Hashirama replied, just as painfully polite. The daimyo's mediator kept watching them and scratching little pointy words in his notebook. "Because if your man doesn't prove that he's dangerous and has the personality to use it on her if she pushes him, it's going to turn abusive," Madara drawled. Hashirama stared at him for a blank second. The daimyo's envoy stopped writing; even his stone-faced Aburame bodyguard arched her eyebrows over her darkened spectacles. Tobirama stretched out across the table without another word to take back one of the folders Izuna had spread around him. -- The daimyo is over the whole Uchiha/Senju war. They're going to become one people if they know what's good for them. Madara hates it enough without having to marry a woman too.

The wedding’s going to be tonight, presumably so no one involved has time to get cold feet, which gives Geralt just enough time to clean up and get the dirt off his armor and overthink every tiny little detail of this arrangement.