Laurel Kent, daughter of Lois and Clark, does not know Clark Kent is Superman. When her powers begin to manifest she decides she is Superman's daughter.
With her grandparents Lane's example firmly in mind she plans to not let Clark know that his wife cheated on him with Superman.
Superman had distanced himself from Lane and Kent over a decade ago. Interest in Lois Lane and Superman faded completely as he acquired many other press contacts around the globe.
It was quickly noticed that most* if not all of his regular press contacts in dozens of cities around the globe besides being competent and well respected as reporters tended to be
- Female
- Under 30
- unmarried
- sexy
Laurel studies everything there is about Superman and is successful at keeping her powers hidden from her parents, so much so that Lois and Clark conclude she does not have any.
Cosplay is popular in this Lois and Clark 'verse and Laurel, once away at college, acquires several costumes. All are hooded and the hoods are shielded to prevent Superman finding out who she is.
None of her costumes are based on Superman and she is careful to not display all of his powers and to use different costumes in different locations. Giving the impression of being several different female heroes.
Picture this costume with the regular
Captain America hood or this Spidergirl costume Or add a hood to this one Or this mask with
Ms Marvell *idea from Superman Movieverse fanfic that I can not recall the name of, in the fic it was Lois Lane's idea to make her well known relationship with Superman fade into the background.