While it may not be the kind of Spider-Man-esque blockbuster that has opened the festival with a big splash in years past, “Baby Mama” will quite possibly be the most fun. In the Universal Pictures release, Tina Fey plays a woman looking for a (duh) Baby Mama. Amy Poehler plays the surrogate, who lives in a headspace just this side of the double-wide. The movie was primarily shot in New York and Lorne Michaels is one of the producers. On JoyHog’s behalf, Mandy has her festival press pass tucked into her Fendi bag, and she’s ready to hit the parties. Oh, and the films, of course.