Not to mention that Charles Xavier and Erik Lehnsherr do not have to be white men(or men) for that matter,
During the Cold War, fellow mutants Charles Xavier and Erik Lehnsherr join forces with other mutants to save
humanity from a nuclear attack.
Additionally, Patrick Stewart and Ian McKellen reprise their roles as Charles Xavier/ Professor X and
Erik Lehnsherr/ Magneto in cameo appearances during the mid-credits scene.
It shows us not only Charles Xavier and Erik Lehnsherr transforming into Professor X and Magneto,
respectively, but also how a range of other mutants transformed into future X-Men or Brotherhood of Mutant members.
Jean travels to the mutant refugee
island of Genosha to seek assistance from Erik Lehnsherr in controlling her powers, but
is turned away by Erik after she engages in combat with U.S. military forces tasked with her arrest.
In a mid-credits scene, Logan returns to the United States two years later and
is approached at the airport by Erik Lehnsherr, who warns him of a grave new threat to the mutant race;
and Charles Xavier, whom Logan previously thought was dead.