Box office numbers for “Supergirl” look bleak after lead star Milly Alcock sparked backlash for mocking Christian dads. According to Box Office Theory, the DC superhero movie — which comes out June 26 — is expected to make between $47 million and $65 million in its opening weekend and between $107 million and $181 million in its full domestic run. The budget for the James Gunn-directed film was reportedly around $170 million, while the marketing spend is estimated to exceed $75 million, bringing the total to around $245 million. To break even, “Supergirl” needs to make around $425 million worldwide