Just about any of the characters in the X-Men could be queer or queer coded. its been hinted at multiple times that Jean Grey, Wolverine, and Scott are in a throuple. Wolverine is gay in an alternate universe ( in a relationship with Hercules). Wolverine's son Daken is openly Bi. Storm has been hinted as having been in a relationship with her friend Yukio. There's Captain Britain, Deadpool, Kate Pryde, Northstar...

The work is there. The door is open. All the creators have to do is walk through it.