Two. One to change it and one to yell "Ta-daa!" when he's done.
Two. Ant-Man and Wasp are the only ones small enough to fit inside a lightbulb.
Find out next time, on Dragonball Z!
One to generate a "ChangeLightBulb" event to the socket.
You don't know man, you weren't there!
Motorist: The light just turned yellow.
My guitar doesn't yell at me when I snap it's g-string
Cirque d'Olay
One is a cunning array of stunts.