How Do Avengers Headcanons Explain Steve Rogers' Ending?

In our tenth year together, the King of the Gods, Aetheon, threw the grandest wedding I had ever seen on the peak of Mount Olympus. And at the ceremony itself, he calmly told me he had cheated on me. "Go on with the rite, or stop it right now. It's your call." He swirled the wine in his cup, bored. He told me that just before the ceremony began, he had sex with a mortal girl. The world went cold around me. I stared up at the king standing high above me. "Do you love her that much?" His brow creased slightly, as if he thought I was making too much of it. "Not really. She's a fragile little mortal, nothing more." "You've just been so proper, so well-behaved these past ten years. Never a flaw I could find. It was interesting, for once, to be adored by someone who didn't know any better." He turned the thunder ring on his finger as if none of it mattered. "Don't worry. If you choose to go through with the ceremony, you'll still be my queen—no question. And if you want to throw a fit about it, fine. Throw your fit. I won't stop you." I stood frozen on the altar platform. I had waited ten years for this day. And now the perfect ceremony in front of me pressed down on my chest until I couldn't breathe.

I had seven days left to live. My father was the God of War. My mother was the Goddess of the Harvest. I was born with divine power running through my veins, and like all gods, I should have lived forever. But I'd been poisoned by Godsbane, a plant so deadly that even the Healer had no cure. I forced myself back to the temple through the pain, one step at a time. That was when my husband Caelum, the King of the Gods, came home. His expression was grave. "Lyra," he said, "your sister Selene has collapsed. Her divine blood is completely spent. The Healer says she won't survive the month. The only way to save her is for someone who shares her bloodline to give her half their divine blood." "You're twins. Your blood is perfectly matched." He paused. "Would you reconsider donating half of yours?" "I know it's a lot to ask." He hesitated, then reached into his robe and placed a divine decree on the table before me. It called for the revocation of my title as Queen. "But if you won't save Selene, I'll have to honor her last wish. She says she wants to marry me before she dies." I looked at the decree for a long moment. "Don't worry," he said, his voice softening as he took my hand. "Once this is over, I'll burn it myself and marry you again as my Queen. Lyra, you know you're the only one for me." I looked at him trying so carefully not to push too hard, and something hollow settled in my chest. He wasn't the only one. Even my parents, when I'd refused before, had turned cold and driven me from our home: "If you'd rather watch your sister die than help her, then get out. Don't ever come back." If that was what they all wanted, fine. I had seven days left anyway. "All right," I said. "I'll give her the blood." My father and mother were pleased. They said I'd finally come to my senses. I finally became the Queen they'd always wanted me to be. A good daughter. But when I died, why did they all cry?

In the third year after my death, the one who remained faithfully by my wife's side was still the bionic robot I had painstakingly designed. It looked exactly like me and carried within it every detail of my mannerisms, speech, and habits. The only difference was that it never lost its temper with her. Because of that, my wife never sensed anything amiss. Yet each night, she brought home a different man, deliberately testing "me," desperate to see the wild jealousy and rage I once wore so vividly. Then, one day, her childhood sweetheart and first love, shoved "me" off the balcony. It was only then, in her horror, that my wife realized… "I" didn't bleed.

In a drought-ravaged apocalypse, I kept our entire apartment block alive with my “watermaker” ability. But when I grew weak, my neighbors shattered my limbs and turned me into a living water source. Later, when raiders stormed in, they dragged me out to take the blade for them, only to realize that even my severed arms could still produce water. So, they shouted about “saving humanity,” then shoved me into the crowd and fled in the chaos. People rushed forward one after another, tearing at my flesh. But I didn’t die. What was left of me fell into the hands of a monster, and I was subjected to inhuman torment day after day. Ten years later, when the apocalypse finally ended, that monster tossed me into an incinerator. Only then did I die. When I opened my eyes again, I had returned to the moment I first awakened my ability, just as my neighbor knocked on the door, begging for water.

I have the ability to see how people will die. The day my divorce is finalized, I'm hit by an electric scooter and sent flying. When I wake up, I see a line of text above the nurse's head. It reads, "27 years old. Breast cancer in eight years." I pick up my phone. The first name in my contacts is my ex-wife, Caroline Meyer. After a moment's hesitation, I open her social media. Her latest post shows her and her new boyfriend vacationing in Marencia, captioned, "Forever starts with you." The location tag says it was posted three hours ago. We only finalized our divorce the day before. Later, I get a voice message from my daughter. "Daddy, Mommy says I can't go to her new house anymore. Her boyfriend doesn't like kids." I clutch my phone and head out to pick her up, only to run into Caroline's father, John Meyer, outside the apartment building. Above his head, the words read, "62 years old. Carbon monoxide poisoning in three months." The moment John sees me, he starts yelling. "What a loser! My daughter should've divorced you years ago! Her new boyfriend is young, handsome, and owns three houses. What do you have?" I glance at the words above his head, then slowly delete the warning text message I'd already typed out. After that, I take my daughter's hand and say, "Come on. I'm taking you out for burgers."

My husband, Hank, is dead.  On our wedding anniversary, he ventured out in the pouring rain to buy me a cake, only to be hit by a truck. His body was badly mangled in the crash.  My sister-in-law, Lyra, called me a killer, claiming that I did not deserve Hank’s inheritance.  My mother-in-law, Judy, kicked me out of the house.  Overwhelmed by grief and guilt, I often wondered if he would still be alive had I stopped him that day. Eventually, emotions gripped me, and I was diagnosed with cancer.  Judy came to visit me on my deathbed. “You’re an idiot to believe everything!”  She threw a family photo in my face.  The shock and anger were more than I could handle, and I breathed my last.  It turned out that Hank was never dead. He had a child with his old flame.  When I opened my eyes once more, I returned to the day my husband faked his death.