‘The Joker' Roller Coaster Coming to Six Flags Discovery Kingdom in Vallejo

 Weak stomachs, not welcome.

That's the warning about a new ride – titled "The Joker" -- slated to be unveiled at Vallejo-based Six Flags Discovery Kingdom in 2016.

Officials say this is the first roller coaster on the West Coast that features a "breaking-wave turn," which means riders will be rolled, flipped and turned upside down.

"The Joker” will be ready for use next spring.

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