As of the current Marvel Comics canon, there's no indication that Domino is gay. Her focus is more on her superhero activities and the challenges she faces in the comic universe.
The portrayal of Captain Marvel's sexuality in comics is not consistently one way. Sometimes there are hints or explicit indications of same-gender attraction, but it's not a fixed aspect across all comic iterations.
In some comic storylines, Captain Marvel has been depicted as having relationships with characters of the same gender, but it's not a consistent or defining aspect of the character.
The portrayal of Captain Marvel's sexuality in comic books can vary. Sometimes there are hints or indications of a non-heterosexual orientation, but it depends on the specific comic and the creative team behind it.