Wolfenstein X Gate

Y/N was just a child when the Nazis took his parents leaving him in an orphanage and were taken to experiment by Wilhelm Strasse (who going to be a female and she opposes ) but you were safe by the famous nazi killer bj blazkowicz, took you under his wing and teach you how to fight and kill nazis. Then one day you BJ were on a mission in America heard of the nazi try to build a machine to go another dimension, you and BJ destroy the machine but you were sucked in the portal and transport you in another dimension that's different from his, Join Y/N as he tries to find his way back as well as help the new the navies in this world that's mixs with medieval and modern times.
(Was inspired by another writer had who did this crossover and I enjoyed, I'm doing it differently)