Artist Jane Kim contributes a new mural, "Confluence," to Houston's public art scene. April 7 at 4 a.m. Whether it’s Second City or other groups... seeing how people persevere in improv, where they’re still saying ‘we’re gonna make stuff!’ To see them persevering, I think has been really great. March 29 at 4 a.m. Empire of the Superheroes: America’s Comic Book Creators and the Making of a Billion Dollar Industry By Mark Cotta Vaz 488 pp. $34.95 University of Texas Press Pop culture and comic book fandom have been abuzz recently with the release of Zack Snyder’s Justice League. It’s an extended (way extended)...