In the year 1991, the movie Robin Hood Prince of Thieves saw the big screen and created quite a wave with young ladies of the time, such as me.
Justice League unfairly reviewed by many people who watched with a preconceived idea to compare DC Comics to Marvel Comics without an open mind.
Moreover, Superman being a quite superficial superhero, for the most part, missed the mark on digging beneath the surface because Henry Cavill is not much of an actor.
All we know is that Krypton faced destruction, and that is the reason why Kal-El arrived on Earth. Not much of a backstory aside from his parents trying to save their firstborn.