The “Sonic the Hedgehog” film franchise is growing fast — much to the delight of James Marsden. The actor returns as the title hero’s best friend and mentor in “Sonic the Hedgehog 2,″ and says audiences can look forward to a movie that dials up the action while adding fan-favorite characters Knuckles and Tails from the video game series. “We find Sonic growing up a little bit, and we see shades of him starting to become a teenager and everything that entails,” Marsden told the Daily News. “Pressing the boundaries a bit more than he normally does, sneaking out at night and trying to be Batman, …
