AU Season 1. In the early days of the Institute, Charles Xavier finds a young man with a great legacy: Kal-El, the Last Son of Krypton.
He will change the X-Men's world forever. Crossover with Superman.
AU Season 2. Crossover with Superman.
In his second year at the Institute, the young Man of Steel must deal with new friends, new foes, and growing public curiosity.
AU S3. Xover with Superman and Justice League. Mutants are public knowledge. Superman is no longer myth.
With this change the Man of Steel and his new team strive to make a difference in the world... but they and the X-Men have their work cut out for them.