Complex sentence: Reynolds portrayed superhero Hal Jordan/Green Lantern in Warner Bros.' film "Green Lantern", released June 17,2011 in 3D; this made him one of the few actors to headline in movies based on both Marvel and DC characters.
Split into simpler sentences: Reynolds portrayed superhero Hal Jordan/Green Lantern in Warner Bros.' film "Green Lantern", released on June 17,2011 in 3D. This made him one of the few actors to headline in films based on both Marvel and DC characters.