If anyone could forgive their ex-girlfriend for selling their secret hero identity to Kingpin for some drugs, it’s Matt Murdock aka Daredevil. When Karen Page returned to New York after ruining Matt’s life, not only did he help her kick her heroin addiction, but became a short order cook to support them both. When Nuke attacked Hell’s Kitchen, Karen provided Murdock with his suit and the strength required to save the day.
JESSICA JONES & LUKE CAGE
After discovering she was pregnant with Luke Cage’s baby, Jessica Jones broke up with Scott Lang and admitted the truth to Luke. While the two had been romantically involved in the past, this new development really united them in that common struggle known as parenthood.
EDDIE BROCK & THE SYMBIOTE
When Eddie Brock was separated from the Symbiote, he realized that Venom ended up hurting people. Even so, he had to bond with the alien goop once more in order to fight off a group of a symbiotes that made Venom look like a kind old nanny.
Couples in the Marvel Universe generally don’t have the luxury of ghosting one another in times of peril. When the world, universe, or even multiverse is in danger, former lovers have the duty to ignore or move past awkwardness so that they can save innocent lives.