"For as in Adam all die," yet Enoch did not die but was taken up by God.
"In Christ all will be made alive." Does this mean universal salvation?
The Psalms say that there are no rightious men, none who seek God, none who do good. Yet Saint Joseph was a "just man" and Zechariah was "rightious."
All men have sinned -- yet Christ was fully man as He was fully God. Did He sin, or do you deny His full humanity?
Mary was saved by grace alone, as are all who are saved. The difference is, God filled Mary with grace at the singular moment of conception to render Her a fitting vessel to bear Christ.
your misuse of scripture shows you just use verses to defend your doctrine, instead of letting your doctrine be defined by the Scripture
Sinless people do not need a Saviour
Lk 1:46 And Mary said, My soul doth magnify the Lord,
Lk 1:47 And my spirit hath rejoiced in God my Saviour.