Jesus wasn’t recognized when He “disappeared” in the crowd that was trying to stone Him.
Jesus wasn’t recognized when He walked on water.
The ability to change molecular structures (walk through walls = walking on water) and shade His identity occurred before the Cross as well as after the Cross.
This “bloodless alien flesh resurrected body of Jesus” is a counterfeit, Gnostic “jesus”.
No one is saying that but you. Can you acknowledge that Jesus' glorified body - that ours will also be fashioned after - is different than the mortal flesh and blood body He, and we, have while alive here? The miracles Jesus performed before His resurrection were done while in his earthly body. That earthly body REALLY did suffer brutally, bleed and die and He arose from the dead (He is the firstborn from the dead). When He ascended into heaven that body was changed into His glorified body that we will one day be able to see, talk to, touch, HUG, kiss and interact with as we also will have such changed bodies. The Gnostic error, of many, was that Jesus NEVER had a flesh and blood body - that He was a spirit only. They were wrong.
I sense that this is an unnecessary argument you are continuing here. Nobody is advocating the Gnostic heresy.
Just like 'Mother of GOD'; walking through walls is NOT mentioned in the Bible.