After solving murders in central London with “Sherlock” and traipsing through Middle Earth in “The Hobbit,” actor Martin Freeman is heading into the Marvel universe. The 43-year-old Freeman who played Bilbo Baggins in “The Hobbit” trilogy and won an Emmy for his role as Dr. John Watson alongside Benedict Cumberbatch’s crime-solving detective in BBC’s popular “Sherlock” series, is joining the cast of “Captain America: Civil War.” It is not known yet what role he will play in Marvel Studios’ third installment of “Captain America,” in which Chris Evans will reprise his role as the patriotic superhero and is scheduled for release in May 2016. Freeman’s “Sherlock” co-star, Cumberbatch, will also be joining the Marvel universe as the complex lead of “Doctor Strange,” scheduled for release in November 2016.