Throughout the history of the MCUThe DCUAnd further, there were many planned comic book movie spin-offs that could have been truly excellent. Even before the movies of the MCU established a shared comic book universe, there were superhero movies that teased spin-offs to create a wider world. Much like in the comics, where stories have long been interconnected in broad narrative arcs, movies and television shows have also sought to establish branching stories following multiple characters in the same continuity. Although there have been many successful spin-offs in the comic book genre, there have also been several planned movies and…