First look: Chris Evans goes from zero to hero in the comic book adaptation Captain America: The First Avenger

By CAROLINE WESTBROOK Shielding the pack: Chris Evans stars in the title role of Captain America, who is famous for his patriotic shieldIn recent years a whole host of Marvel Comics heroes - from Spiderman and X-Men through to Fantastic Four and Iron Man - have been brought to life on the big screen.And on Sunday comic book fans had their first glimpse of the latest character to join their ran...