Zero. You can't fit a hairless ten-year-old inside a light bulb.
Just two, but you're going to need a lot of patience and light bulbs.
One. Apparently she will screw anything.
3. One to screw it in, the next to claim credit and the third to be a bot that reposts.
Does it even matter? We're all screwed anyway, man."
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Two. Ant-Man and Wasp are the only ones small enough to fit inside a lightbulb.
Ramen! Before you judge harshly, I would like to state that this was invented by a six year old, all on his own, no coaching.
There's twenty of them.