Perhaps the most high-profile promotional partner for Warner Bros. and DC Films' "Batman v Superman: Dawn of Justice" has been Turkish Airlines. The airline released a specially-cut trailer via social media, and aired a pair of "BvS"-themed commercials during Super Bowl 50. Now, with the film fast approaching its theatrical debut, the promotion has extended onto the airplanes themselves.

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Twitter user Biodamonster shared photos from a recent trip with the airline, showing some of the "BvS"-themed items given to passengers. The sleep kit comes in what appears to be a pretty nice bag, the Man of Steel's icon boldly displayed on the front. The menu for the flight, on the other hand, is not merely emblazoned with the movie's logo and imagery -- it's die-cut to fold out into the Bat Symbol.

#TurkishAirline is partnering with #BatmanvSuperman - even the menus & sleeping kits are themed! pic.twitter.com/rNFfgvRRRh- Bianca Yeung (@biodamonster) March 5, 2016

Directed by Zack Snyder and starring Henry Cavill, Ben Affleck, Gal Gadot, Jesse Eisenberg, Laurence Fishburne, Amy Adams and others, "Batman v Superman: Dawn of Justice" hits screens on March 25.