How do I book a time slot with my Merlin Annual Pass? You do not need to book a time slot with a Merlin Annual Pass, simply turn up and join the priority queue. Related articles Where do I go to gain entry with my Merlin Annual Pass? Do I get any perks when visiting Madame Tussauds Blackpool? What is the new Marvel Super Heroes zone? How do I purchase friends and family tickets for Madame Tussauds Blackpool? Do you offer a Merlin Annual Pass where you can pay in monthly instalments?