Starbucks Halloween Cup Release 2024. Starbucks revealed its 2024 halloween merch, including a skull mug and black ooze cold cup. This year, fans can add to their slime drip cup collection with 2024’s iteration in black.

The collection, complete with tumblers, cold cups, mugs and more, is available at. This year, fans can add to their slime drip cup collection with 2024’s iteration in black.