Hebrews 8
4 Now if He were on earth, He would not be a priest, since there are already priests to offer gifts according to the Law. 5 They serve at a copy and shadow of the heavenly sanctuary. That is why Moses was warned when he was about to build the tabernacle, “See to it that you make everything according to the pattern shown you on the mountain.” 6 Now, however, Jesus has received a far superior ministry, just as the covenant He mediates is superior and is founded on better promises.…
The tabernacle was more than a shadow....it was a Pattern of the Heavenly...so were given to relate to what existed FIRST...
Jesus fulfilled the OT shadow, not just to fulfill IT but to fulfill the HEAVENLY requirement.....He was returning to the HOLY God...human touch would have, IMHO, contaminated HIM with sin before He fulfilled the placement of the blood on the Mercy Seat....
That is my understanding...once the blood was placed and accepted by the Father, the matter was settled. He returned to share deeper truth to the disciples and to tell them to wait for the Glory outpouring that would now follow...