“The Mandalorian” broke the internet with its Season 2 finale, which featured a cameo from Luke Skywalker that set “Star Wars” fandom into a frenzy. With over a month of breathing room since the Season 2 ending, “Mandalorian” creator Jon Favreau joined the Writers Guild of America for an interview about scripting the Disney+ sensation. When asked if including Luke Skywalker in the finale was “always a set idea from the jump,” Favreau said the decision was not as pre-planned as some fans might think

“No,” Favreau answered. “The story unfolded as I wrote it. ‘The Mandalorian’ inherits a great deal from existing ‘Star Wars’ stories, and when I write, that context is always a consideration. It became clear that, within the established continuity, certain things were likely to transpire.”

According to Favreau’s answer, the inclusion of Luke Skywalker in “The Mandalorian” might not have been considered until after the show...