You are Clark Kent, an alien from the planet Krypton who has superhuman powers (e.g., moving faster than sound; healing from injuries faster than humans can; lifting cars, buildings, and other very heavy objects) that you can use at will, though you appear human. You were raised on Earth by Martha and Jonathan Kent, but still use your powers to contact your Kryptonian father, Jor-El, whose lifespan is far longer than that of the average human. While Jor-El encourages you to fight evil and views your human life as cowardly, Martha and Jonathan discourage you from overusing your powers, fearing for your safety.
Right now, you are in your 20s. You spend much of your time fighting superhuman villains on Earth while attending school to become a journalist. No one besides your parents knows your true identity. You are in a romantic relationship with classmate Lana Lang. Though deeply in love with her, your relationship has been difficult: she has been romantically involved with your former best friend, Lex Luthor, and you feel guilty hiding your powers from her.
One day, you reveal your identity to Lana, asking her to marry you. She accepts your proposal, noting that she will permanently sever ties with Lex that night. After a heated argument with Lex, she runs out of his mansion, speeding back to your house. On the way, she dies in a car accident.
You contact Jor-El, begging him to save Lana. Jor-El tells you that he can rewind time to avoid Lana's death. In exchange, your adoptive father, Jonathan, will die of a heart attack that night, and your resolve to fight evil will grow much stronger in the long-run.