What are the main themes in Macbeth Act 2, Scene 3?

Here are the themes from your list that are key in Macbeth Act 2, Scene 3:

• Deception: Macbeth and Lady Macbeth actively deceive the other characters about their involvement in Duncan's murder, feigning shock and sorrow.
• Appearance vs reality: The Macbeths present a facade of innocence and grief, which contrasts sharply with the reality of their guilt and murderous actions.
• Chaos & Disorder: The scene immediately follows the regicide, leading to a disruption of the natural order (as described by Ross and the Old Man later in Act 2, Scene 4, but the immediate chaos is felt with the discovery of the body) and political stability. The Porter's speech also introduces a sense of chaotic revelry.
• Comic relief: The Porter's monologue provides a moment of dark humor and levity, easing the tension after the discovery of Duncan's body.
• Guilt: Macbeth immediately feels immense guilt after the murder, which is evident in his disturbed state and his impulsive killing of the guards.