You might want to think twice before spoiling a film for those who haven't seen it yet.Domino's employee Justin Gregory Surface, 33, was issued a citation Sunday evening by Friendswood police after allegedly assaulting a co-worker, according to a post on that town's Facebook page.Apparently, the co-worker revealed a spoiler from "Avengers: Endgame," which led to the reported assault, according to the online post.The Marvel Universe film raked in $350 million in domestic ticket sales and $1.2 billion globally, setting a record for the biggest opening weekend at the box office.