Alternate Realities: Sword Art Online II - second half

I've been thinking - if the Second Magic allows a person to see into alternate realities/timelines and travel between them, do you think that the Tsukihime timeline Zelretch and the Fate timeline

Sword Art Online: Alicization - Wikipedia

In an alternate universe : r/swordartonline

Sword Art Online the Movie: Ordinal Scale - Wikipedia

Just if anyone is curious, here is the chronological watch order for SAO (minus the last two movies cause the list isn't up to date). Source: : r/swordartonline

Sword Art Online Watch Order

Sword Art Online Light Novel Volume 18, Sword Art Online Wiki

Sword Art Online Alternative - Gun Gale Online (manga), Sword Art Online Wiki

Sword Art Online the Movie: Ordinal Scale (2017) - IMDb