Go, Speed Racer! Go, Speed Racer, go! — You, in 2008, had a few options for summer blockbusters. There was the first Marvel Cinematic Universe (MCU) movie, Iron Man. The other option is Christopher Nolan’s The Dark Knight on the DC side. Or, if superhero flicks aren’t for you, give Speed Racer a try. The Wachowskis-directed Speed Racer…