“The Scarlet Witch.

Parents killed, brother killed.Tries to be a hero but accidently kills people which leads to the Civil War events.Falls in love with Vision but then she had to kill him, just to see him get resurrected and killed again, so it was even pointless that she killed him.Went crazy after this and made a fake reality with a family life with Vision as her husband and kids only to lose him again and the kids and the happy life.Goes crazier, starts killing people to get to her kids in another reality, finds them, realizes the kids already have a mother and don’t accept her and kills herself…”.