https://tvline.com/2020/01/12/star-trek-picard-worf-michael-dorn-klingons-spoilers-season-1/

Star Trek boss Alex Kurtzman says Star Trek: The Next Generation's Worf returning is "totally possible," but he won't resemble Discovery's Klingons. “No, he’s got to look the same,” he says. “We’re not changing that."