Contradiction with Matthew 28:19
While Isaiah 52:15 suggests nations will be startled or shocked, Matthew 28:19 commands that all nations be taught and baptized, indicating an expectation rather than surprise.
Matthew 28:19: Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: [teach...: or, make disciples, or, Christians of all nations]
Contradiction with Romans 15:20-21
Isaiah 52:15 shows nations unexpectedly encountering God's message, whereas Romans 15:20-21 echoes the plan to preach where Christ is not known, implying intentional dissemination rather than unexpected revelation.
Romans 15:20-21: Yea, so have I strived to preach the gospel, not where Christ was named, lest I should build upon another man's foundation: