A Bayswater man is in police custody after allegedly pulling a gun while on a bus in Melbourne's east on Friday and threatening to kill the driver.

Police were called to a shopping centre in Forest Hill after reports a man produced a firearm in a bus as it left the Canterbury Road centre about 6.40pm.

Credit:Paul Rovere

On Sunday, James Paul Fisher, 39, was due to front Melbourne Magistrates’ Court to face seven charges, including two counts of aiming a firearm directly at a person and two counts of making threats to kill.

But Mr Fisher's legal representative's request the matter be adjourned until May 22 at the Ringwood Magistrates' Court was granted.