Marvel Studios may have revealed Deadpool and Wolverine's main antagonist. The film will pit Ryan Reynolds' Deadpool and Hugh Jackman's Wolverine against the TVA and maybe introduce the Fox X-Men into the MCU.
She resembles Charles Xavier because they're brothers. Nova is Xavier's psychic opponent Mummudrai. Xavier killed Cassandra in the womb, but she survived.Her prolonged hatred of Xavier made Cassandra an X-Men villain.
Nova slaughtered millions of mutants and destroyed Genosha during her career. Besides telepathy, she has limited telekinesis, phasing, and regeneration. Although a mutant, she hates mutants because of Xavier.