One of the crowning comedy achievements of the guys behind "It's Always Sunny in Philadelphia" is their musical episode "The Nightman Cometh," which focused on a strange stage production put together by Charlie Kelly that turned into an actual live show for the cast.
After the release of the new "Batman v Superman: Dawn of Justice" trailer at Comic-Con earlier this month, one You-tuber saw an opportunity to mix the hit FX show's tunes with the ultra-dramatic teaser in a hilarious mashup.
YouTube user Albert Lopez re-edited the trailer for the 2016 movie featuring Ben Affleck as Batman and Henry Cavill as Superman.
In his version, Affleck is Nightman and Cavill is Dayman, and the theme song to Charlie's musical is dubbed over to coincide with the shots of the two battling it out in Gotham. Watch the trailer for "DayMan V NightMan: Dawn of Troll Toll" here: