In nearly all of the previous instances, crossover episodes have introduced a new main character from a show that had either already been announced or was already airing (i.e Supergirl, The Flash, Legends of Tomorrow).
Of course there's no telling how the Arrow-verse will introduce Batwoman but it nearly seems like a certainty that if this character is going to play a central role in the upcoming crossover that there's always a chance she gets a series of her own.
The CW's annual crossover, and Batwoman's first appearance in a movie or television show, is scheduled to air this December.
CW president Mark Pedowitz confirmed that this will be the first time Batwoman will appear "on any screen" and "we're adding the city of Gotham into the Arrowverse". Previously, Arrow once name-dropped Bruce Wayne, in an ad-lib suggested by Amell.
All of the previous crossovers have been Earth-1 based, limiting the involvement of most of the Supergirl characters outside of Kara, Alex and Earth-X Winn and Jimmy. He went on to say the City of Gotham will also make its debut and Amell said Batwoman will "fight alongside" the other heroes. "I need to leave right now and start filming it!" Batwoman is set to finally join the Arrowverse during this year's four-way crossover event, which will be spread out over three consecutive nights.
Are you excited for Batman and Gotham City in the Arrowverse? "This will be another full-throttled, action-packed event". "And The CW is just so freaked out that I'm going to spoil it at some point during this panel". Batman and Gotham have been teased on all four Arrowverse shows.
The character has since headlined her own title as well as DC's Detective Comics; she was also included prominently in the Batman: Bad Blood animated feature. Alongside a slew of other reasons, the Fox show is likely why we haven't seen high nor low of Batman in the Arrowverse. The modern take on the character portrays her as a lesbian superhero of Jewish descent.
But let's talk about Batwoman herself.