X-Men (film), Marvel Database

Douglas Ramsey (Earth-616), Marvel Database

Mutants (Homo superior), Marvel Database

New X-Men Comic Books, Marvel Database

X-Men: Red Vol 2 8, Marvel Database

X of Swords, Marvel Database

Earth-10005, Marvel Database

X-Men: Red by Al Ewing TPB Vol 1 (2023), Marvel Database

Sentinel (comics) - Wikipedia

X2 (film), Marvel Database

Rom and the X-Men: Marvel Tales Vol 1 (2024), Marvel Database