It's absolutely no secret that the Marvel Cinematic Universe is predominantly white, male, and almost exclusively hetero. I'm not going to do too much of a deep dive into that, because as a hetero white male, I often feel like I lack the context, or voice, to really talk about it, other than to say: "Yes, of course there should be more diversity." It's hardly surprising that the MCU is in such a state, because it reflects the diversity of the Marvel comic universe and the people who make it. The comics are gradually showing a more diverse picture of life, perhaps too gradually, but we still haven't seen any of that hit the big screen. Superhero couples are kind of a weird thing. In the shared universes of the two biggest comics publishers, the editorial staff seems allergic to two things: change, and stability. As such, a superhero that is not created as a character in a relationship, is generally destined to not have much success forming new ones. Superheroes
*contains no actual guidance for surviving a pipebomb explosion.