Here's what people are talking about today in pop culture:
• Yes, there will be a "Tron 3." This tidbit was dropped by actor Garrett Hedlund, who starred in "Tron Legacy." [Vulture]
• A rare original poster of the 1927 silent sci-fi classic "Metropolis" was sold for $1.2 million in a Los Angeles bankruptcy auction. [The Hollywood Reporter]
• Someone stole a guitar, valued at $20,000, from Sonic Youth frontman Thurston Moore after a show in Philadelphia. [AP, via The Huffington Post]