The official Supernatural fan conventions have begun in North America. You can check out the full calendar for 2020 here;
Some other fan conventions are coming up in the next few weeks.
Melbourne March 6-8 2020
Gold Coast March 13-14 2020
These events are put on by Supanova. This is their website link; https://www.supanova.com.au/
Wellington Easter Weekend April 10-12 2020
The event is put on by Armageddon Expo. This is their website link; https://www.armageddonexpo.com/
Las Vegas March 5-8 2020
The event is put on by Creation Entertainment. This is their website link;
Can’t get to some of the fan conventions? Most of these websites offer absentee packages. Contact them or check out their websites for more details.