Sentinels and Mutant Persecution: 

The X-Men battle Sentinel robots, created to track and eliminate mutants. 

These giant machines symbolize humanity's fear and hatred toward mutants. 

Master Mold and "Days of Future Past": 

The Sentinels are controlled by Master Mold, an AI seeking mutant eradication. 

In the iconic storyline "Days of Future Past," Sentinels drive mutants to near extinction. 

Mr. Sinister: 

The enigmatic villain Mr. Sinister obsesses over mutant genetics. 

His powers include genetics expertise, energy blasts, and telepathy. 

Professor X's Fate: 

In the finale, Professor Xavier is shot, seemingly dying. 

However, a teaser hints at more to the story in the upcoming revival. 

Themes of Prejudice and Real-World Issues: 

The show explores themes of prejudice, loneliness, and parallels to real-world events like the AIDS epidemic. 

Nostalgia: The new series continues the classic '90s animation style, appealing to fans of the original. 

Character Returns: Expect familiar faces, including Cyclops, Wolverine, and Jean Grey. 

Continuity: While it's a revival, it may not directly follow the original's continuity. 

Professor X's Fate: The teaser suggests Xavier's apparent death, but there's more to uncover. 

Sentinels and Mutant Struggles: Anticipate further Sentinel conflicts and exploration of mutant-human relations.