Animals rights groups have condemned the "disgusting" stunt which has caused outrage on social media, highlighting the need for animal welfare laws to be introduced in China.
The guest has been arrested for carrying a concealed firearm in his backpack while trying to enter Disney's Animal Kingdom theme park.
The long-awaited Nickelodeon-themed amusement park will open its doors this Friday.
Duos are invited to spend 30 hours in a coffin together, in hopes of winning $600, season passes and other prizes.
Was Disney expecting this backlash?
The Galactica rollercoaster will be the first to combine a physical track with a virtual reality headset.