We know Christ died ,went to Hell,preached to those in Noah's day,raised from the dead, and took his place ato the right hand of the Father.
He became flesh one time for our iniquity,and was raised in victory over death Hell and the grave.
Are you saying Christ asends to earth in his Devine form of Spirit, and becomes flesh again in order to complete a work that has already been done?
Would it seem plausible when Christ told the Apostles : Do this in remembrance of me, would remain in the literary context of the word remembrance?
Here is Websters definition of remembrance :
noun
1.
a retained mental impression; memory.
2.
the act or fact of
remembering.
3.
the power or faculty of
remembering.
4.
the length of time over which recollection or memoryextends.
5.
the state of being
remembered; commemoration:
to hold someone's name in remembrance.
6.
something that serves to bring to mind or keep in mindsome place, person, event, etc.; memento.
7.
a gift given as a token of love or friendship:
I sent her a small remembrance on Mother's Day.
So rather than Christ manifestation himself could his intention be for us to to commemorate him by performing this Holy sacrament.
If we perform this sacrament then it would not be within our ability to return Christ to man and extract his blood.