Jason Aaron 
Once Upon a Time at the End of the World #4 [PDF ebook] 

The Apocalympics begin, but it isn’t fun and games-the Wasteland Rangers won’t let Maceo, a rival suitor for Mezzy, go without competing to the death! The stakes are high as Mezzy’s close connection with The Rangers’ Chieftess is revealed and Maceo seems out of his league. But there’s more than one way to save someone