For Batman, his origin story is quite tragic. Witnessing the murder of his parents in a dark alley when he was just a child. This event drove him to train rigorously both physically and mentally. He dedicated his life to fighting crime in Gotham City, using his vast wealth and intelligence to create his arsenal and become the Dark Knight.
In 'Spider - Man', Peter Parker's origin story is well - known. He was bitten by a radioactive spider at a science exhibit. This gave him superhuman strength, agility, and the ability to climb walls. His uncle's death also played a crucial part, inspiring him to use his powers for good.
Wonder Woman's origin is rooted in the Amazonian island of Themyscira. She was created from clay by her mother Hippolyta and given life by the gods. Growing up among the Amazons, a race of warrior women, she was trained in combat and the ways of truth and justice. When Steve Trevor crash - landed on the island, it led her to leave and explore the outside world, using her powers to protect it.