Greg Pak is an American comic book writer and film director. He is best known for his work on books published by Marvel Comics, including X-Men (most notably X-Treme X-Men), several titles featuring the Hulk (including Planet Hulk, which was one of the storylines eventually adapted into the film Thor: Ragnarok), and Hercules. In 2019, Pak began writing Star Wars comics for Marvel. Description above from the Wikipedia article Greg Pak, licensed under CC-BY-SA, full list of contributors on Wikipedia.