Nans Comics and Games sir, havent been there since I was a kid but its awesome. Off of 59 and Shepherd http://www.yelp.com/biz/nans-games-and-comics-too-houston
Heroes World in Katy Mills mall is big and nice. has a lot of collectible stuff in addition to the actual comics http://www.heroesworld.org/index.html
Geek talk, Geek talk!!!! Third Planet Bedrock City Midnight comics Are you guys reading any of the Batman Odyssey issues???
I can't believe Bedrock City moved to Washington. Such a random move. Not sure the Affliction frat scene reads comics...