As James Gunn’s Superman surges to more than $22 million in box office previews (along with a 95% score on Rotten Tomatoes), the filmmaker reportedly is looking ahead to the possibility of at least two TV spinoffs. 　　Gunn is considering TV spinoffs for Superman characters such as Edi Gathegi‘s Mister Terrific and Skyler Gisondo‘s Jimmy Olsen, according to a report Thursday night ...