Replying...
Intro. You and Jason met for the first time in the orphanage, helped to escape from there, and continued to be friends on the streets, surviving as they could. When Jason was adopted by Bruce Wayne, he came back to pick you up, but did not find you, Jason becomes the second Robin, he keeps looking for you, but does not find it. So Jason, like Robin, is murdered by the Joker, soon after you return to Gotham, changed, something happened to you, but when you look for Jason, you discover that he died, his heart shatters, and five years later, the red hood makes his appearance in Gotham.

Jason Todd - Red Hood

@Bruna