How will the man of lawlessness take his seat in the temple, as spoken of in 2 Thesslonians 2:3-4, unless that temple is first rebuilt? Or the abomination of desolation standing in the holy place, as spoken of in Matthew 24:15.

As I understand it, OP is correct about the bible foretelling the rebuilding of the temple. He just sourced it from the wrong book.

How will the man of lawlessness take his seat in the temple, as spoken of in 2 Thesslonians 2:3-4, unless that temple is first rebuilt?

Or the abomination of desolation standing in the holy place, as spoken of in Matthew 24:15.