The “Elseworlds” will certainly not be a three-night event of endless laughs (not least because a member of the Bat-family is entering the mix), but it sounds like the crossover will embrace the Arrow-verse’s potential for fun.
How can it not be entertaining if Oliver has to be The Flash and Barry has to be the Green Arrow?
In the last couple of years, Legends has really moved away from grim and grit to embrace some of the inherent ridiculousness and fun of a superhero universe.