Where can I find information on Merlin Passes? Please visit the Merlin Pass Website at www.merlinannualpass.co.uk Buy Tickets Related articles Are there restrictions for using a Merlin Pass at Madame Tussauds London? Do I need to pre-book to visit Madame Tussauds London with my Merlin Pass? How do I access Booking Portal? How do I purchase Merlin Pass Friends and Family Tickets? Is the Marvel Universe 4D Experience currently open?