April 14, 2014 | 7:00 a.m.
In a competing superhero franchise, the wisecracking sidekick might have summed up “Captain America: The Winter Soldier” with a well-timed “Holy meta-narrative, Batman!” Drafting the sequel to 2011’s hit comic book movie adaptation “Captain America: The First Avenger,” screenwriters Christopher Markus and Stephen McFeely faced challenges above and beyond delivering the kind of slam-bang action-adventure associated with a nearly unstoppable super soldier dressed in star-spangled fatigues. “Cap 2″ (as the project became known) needed to fit squarely into the Marvel Cinematic Universe. That is, into a narrative continuum established by the movie’s production company Marvel Studios where costumed heroes such as Thor, Iron Man, Hawkeye and the Hulk have turned up in one another’s tent-pole movies since 2008. PHOTOS: ‘Captain America’ stars walk the red carpet Encompassing future films and TV shows whose plot lines and outcomes are all, to […]