If one of the main cast was going to go on this journey in Season 2, Alex was the most logical choice.
Luckily for everybody, Chyler Leigh seems more than capable of tackling anything the show throws at her.
Andrew Kreisberg’s explanation to EW about the decision to give Alex the sexuality exploration story in Season 2 does indeed make sense, all things considered.
Although Supergirl did seem to fan the flames between Alex and Maxwell Lord in Season 1, nothing ever came of any sparks, and most of the other main characters had love interests of the opposite sex that could have ruled them out as a LGBTQ individual.