Two of the graphic novel volumes (in the $1 section) contain a diverse cast of LGBTQ characters written by out queer creators.
Lumberjanes Vol 1 by Noelle Stevenson
Another Castle: Grimoire by Andrew Wheeler
And Red Sonja is written by Gail Simone who updated the character and confirmed Red Sonja is bisexual.
Red Sonja Vol. 1: Queen of Plagues
For just 1 dollar you can buy these and support a charity.