Peter Farrelly’s return to the comedy genre with “Ricky Stanicky” brings a mix of nostalgia and new-age humor, but struggles to fully take flight. The film centers around three childhood friends who have concocted an imaginary friend, Ricky Stanicky, to blame for their misadventures. As adults, they find themselves hiring a down-and-out actor (played by John Cena) to embody Ricky, leading to a series of comedic mishaps. To Ricky Stanicky…the ...