He asked for it. ("Shall Banquo's issue ever reign in this kingdom?") The witches even tried to talk him out of it ("Seek to know no more") but he insists ("Deny me this and an eternal curse fall on you.")
Malcolm and macduff discuss Macbeth's failure as a leader
On Macbeth's chair.
darkness
Banquo's ghost, which shows up at the dinner party the Macbeths are throwing. Only Macbeth can see him.
Macbeth is shown a line of kings, all of whom resemble Banquo. This vision represents the prophecy that Banquo's descendants will inherit the throne, indicating that Macbeth's reign will not be secure and will eventually be usurped by Banquo's line.
Banquo is suspicious of Macbeth's actions and the witches' prophecies, believing that Macbeth may have achieved his newfound power through foul means. Banquo also fears for his own safety and the safety of his descendants, as he knows that Macbeth is ruthless and willing to do anything to maintain his position.
he is gay
Macbeth enlists murderers to assassinate Banquo.
the withces are ugly and stupid. macbeth is ugly... and so are you dumb people.
Banquo's ghost does not speak at the banquet in Shakespeare's Macbeth. Instead, it appears uninvited and startles Macbeth by sitting in his place at the table. Macbeth, being the only one who can see the ghost, reacts with horror and guilt to its presence.
During the great supper, Macbeth sees Banquo's ghost sitting at the table. Macbeth is the only one who can see the ghost, causing him great distress and leading him to reveal his guilt over Banquo's murder.
Well, Banquo's mind does not appear to be full of scorpions as Macbeth says his is.