The Bible says Jesus was taken up and cover by a cloud. So when the angel said “he will return in the same manner” it means he will return in a cloud. That return in a cloud is not a physical one.

What it means is this.

Daniel 7:13

“In my vision at night I looked, and there before me was one like a son of man, coming with the clouds of heaven. He approached the Ancient of Days and was led into his presence.”

So it is not speaking about a physical return.

It is this.

Daniel 7:14
He was given authority, glory and sovereign power; all nations and peoples of every language worshiped him. His dominion is an everlasting dominion that will not pass away, and his kingdom is one that will never be destroyed.

That happened in AD70.

Please note Jesus was already given this before he ascended.

Matthew 28:18-19
Then Jesus came to them and said, “All authority in heaven and on earth has been given to me.”

But then the job of establishing this kingdom on earth was given to the disciples till the end of the age of the old covenant. That is a reference to AD70.

When the old covenant was fulfill passed, Jesus new reign began on earth as it is in heaven.

That’s what coming in the clouds mean.

Matthew 28:19-20
Therefore go and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit, and teaching them to obey everything I have commanded you. And surely I am with you always, to the very end of the age.”
~ Simon Yap