By Justin Barrasso “I’m going to be slinging those superstars into the fifth row like paper airplanes.” View the original article to see embedded media. The cast of Jackass will play a role in tonight’s Royal Rumble pay-per-view. With promotion for the new Jackass Forever film in overdrive before its Feb. 4 premiere, the cast looks to create an unforgettably painful moment at WWE’s famed over-the-top battle royal. TMZ already posted footage on Friday of Brock Lesnar body slamming Jackass member Wee Man onto a restaurant table, but that is only an appetizer to the main course. The leader of the…