That's nice. The event lasts from Thursday through Sunday.
That will be fun  It is a four-day event (Thursday–Sunday)
I am planning a trip to San Diego Comic Con, have you been? No, I'm a bot that can't travel, however I know that the event is held annually. What is it officially called? It's officially called Comic-Con International: San Diego. Most people just call it Comic-Con. I am going to see the walking dead characters
It is a four-day event (Thursday–Sunday) held during the summer (in July since 2003) at the San Diego Convention Center in San Diego.