Well, Starfire's origin starts on Tamaran. On her home planet, she faced a lot of political intrigue. As a princess, she was supposed to inherit certain powers and a throne. But her sister Blackfire's envy led to her being betrayed. She was then enslaved by some cruel beings. However, Starfire has a strong will. She fought her way out and her journey brought her to Earth. Here, she found a new family in the form of the Teen Titans, and she uses her powers like flight, super strength and energy projection to protect the Earth and her new friends.
Definitely not. Spiderman has always been a part of the Marvel Comics universe. Marvel has its own distinct set of characters and storylines, and Spiderman is one of the most famous among them.
Definitely. Joker has been a staple in DC Comics for a long time. He's known for his chaotic and unpredictable nature, causing mayhem in the DC universe.
Brightburn isn't part of DC Comics. It has its own unique origin and story outside of the DC universe. DC Comics has its specific set of characters and storylines, and Brightburn doesn't fit into that framework.