Mix refried beans with taco seasoning in a bowl.

Spread the mixture evenly in a serving dish.

Add a layer of guacamole over the beans.

Spread salsa evenly on top of the guacamole.

Sprinkle shredded cheese, tomatoes, olives, and green onions.

Spoon sour cream into a small plastic bag, snip a corner, and pipe concentric circles over the dip.

Use a toothpick to drag lines from the center outward, forming a spider web.

Place a plastic spider ring in the center for decoration.