Contradiction with Matthew 5:44
Isaiah 27:4 speaks of fury, whereas Matthew 5:44 teaches love and to bless one's enemies.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Romans 12:19
Isaiah 27:4 mentions no fury, but Romans 12:19 says vengeance belongs to God, contrasting personal revenge.
Romans 12:19: Dearly beloved, avenge not yourselves, but [rather] give place unto wrath: for it is written, Vengeance [is] mine; I will repay, saith the Lord.
Contradiction with James 1:20
Isaiah 27:4 implies divine wrath, whereas James 1:20 states human wrath does not produce the righteousness of God.
James 1:20: For the wrath of man worketh not the righteousness of God.