Two. Ant-Man and Wasp are the only ones small enough to fit inside a lightbulb.
Only one. But they have to sit in the dark room for a year, first, to make sure that the lightbulb is out.
Answer is 2. One to change the lightbulb while the other screams "REPOST"
Both got screwed out of office
It takes four. One to screw in the bulb, and three others to watch and say, "Really dude, you look huge!"
Binary stars.
Because all the ones that can run, jump and swim are already in America.
Because he doesn't work with Vision
Flip it upside-down.
You can only fit three fingers in a bowling ball.
Ant Man
By bee-mail.