WonderCon Anaheim will happen March 29-31 of 2024 where it usually happens: At the Anaheim Convention Center, just a hop, skip and jump from Disneyland. It's kind of like Comic-Con Lite, run by the same folks — a smaller gathering but big enough that you probably won't see all of it and there'll be too many panels and events for you to attend. So smaller isn't worse…just different.
Another good thing about WonderCon is that badges are a lot easier to get. If it sells out, it won't for a while but if you wanna go, don't wait. Three-day badges go on sale at a bargain rate on Thursday, November 30 — otherwise known as "The Day After Tomorrow." Here's the link to find out how to order them and pay special attention to the part about getting a Comic-Con Member ID.
I am planning to attend and I'll be hosting panels and I don't know which ones yet. Single day badges will be available at a later date.