Complex sentence: Momoa also starred as the title character in the sword and sorcery film, "Conan the Barbarian" (2011), and is set to appear as the DC Comics superhero Aquaman in 2016's' as well as a 2018 "Aquaman" film.
Split into simpler sentences: Momoa also starred as the title character in the sword and sorcery film, "Conan the Barbarian" (2011). He is set to appear as the DC Comics superhero Aquaman in 2016's' and a 2018 "Aquaman" film.