Looks like New Jersey Gov. Chris Christie’s “American Dream” is turning into a nightmare.

With just 20 months to go before the 2014 Super Bowl at MetLife Stadium, there’s serious doubt the $3.8 billion shopping and entertainment complex at the Meadowlands will be ready for kickoff.

“People keep talking about the Super Bowl, but I’m more interested in when shovels get in the ground,” Wayne Hasenbalg, head of the New Jersey Sports and Exposition Authority, told The Post. “I’m . . . optimistic . . . by the end of year.”

American Dream Meadowlands’ amusement park, originally slated to open in the fall of 2013, won’t be finished by the Feb. 2, 2014, date for Super Bowl XLVIII, developer Triple Five conceded in March. And it now says the shopping mall also may not be ready by then.