Complex sentence: In February, at the 2013 Jameson Dublin International Film Festival, Whedon said that death would play a theme in the sequel, and in March, he said that he looked to "The Empire Strikes Back" and "The Godfather Part II" as inspirations.
Split into simpler sentences: In February, at the 2013 Jameson Dublin International Film Festival, Whedon said that death would play a theme in the sequel. In March, Whedon said that he looked to "The Empire Strikes Back" and "The Godfather Part II" as inspirations.