Rotten Tomatoes score: 23%

Summary: After a mission in space goes disastrously wrong, Jean Grey (Sophie Turner) absorbs powerful cosmic energy that she struggles to control. As she starts to pose a threat to others, Charles Xavier (James McAvoy) and the other X-Men band together to save Jean before it's too late. 

Critics largely agreed that the final installment in the X-Men franchise ended the series on a low note. 

"'Dark Phoenix' is the final nail in the X-Men franchise's coffin, and it's now up to Marvel Studios to resurrect it," wrote Josh Wilding in his review for Comic Book Movie. "It has its good points and you'll find moments to enjoy, but this is ultimately too average to matter."