1. Set a grill/smoker to 350°F.
2. Place the Velveeta in a heatproof bowl and place it in the smoker to melt for 15 to 20 minutes.
3. Cover your table with butcher paper and arrange the chips around the edges of the table.
4. Place the pulled pork, chicken, and brisket in the center of the table. Arrange the jalapeños, banana peppers, salsa, sour cream, olives, pico de gallo, refried beans, guacamole, chili, and lettuce around the meats.
5. Drizzle your nachos with the melted cheese and BBQ sauce and top with the green onions, if you like.
6. Serve to large crowd and enjoy!