Exclusive: “Parks and Recreation” star Chris Pratt has joined Nicholas Stoller’s Universal comedy “Five-Year Engagement.”Rhys Ifans, the villain in Sony’s upcoming “The Amazing Spider-Man,” is also in talks to board the pic. Jason Segel and Emily Blunt star in the pic, which chronicles the highs and lows of their lengthy relationship. Alison Brie co-stars as Blunt’s younger sister. Judd Apatow and Rodney Rothman are producing the project, which Stoller co-wrote with Segel. Scribes previously collaborated on “Forgetting Sarah Marshall” and “Get Him to the Greek.” Segel also exec produces. “Five-Year Engagement” is scheduled to start production toward the end of next month. Pratt and Ifans have been on a roll lately. Pratt next stars in Relativity Media’s “Take Me Home Tonight” with his wife, Anna Faris. The couple will soon be seen together in the 20th Century Fox comedy “What’s Your Number?” Pratt also recently wrapped Bennett Miller’s “Moneyball” for Columbia Pictures, as well as the Channing Tatum-led indie “Ten Year.” Ifans has been drawing strong reviews for his portrayal of notorious pot smuggler Howard Marks in the British indie “Mr. Nice.” There’s also buzz surrounding his performance as Edward De Vere, the writer believed to be behind many of William Shakespeare’s plays, in Roland Emmerich’s political thriller “Anonymous.” Pratt is repped by CAA and Mosaic. Ifans is with UTA, Independent Talent Group and Brillstein Entertainment Partners.