Two. Ant-Man and Wasp are the only ones small enough to fit inside a lightbulb.
I don't know, I left early.
Toucan
One, although it's probably screwed in too tight anyway.
You can un-screw a lightbulb.
All the ones who can run/swim/jump already made it to America.
Just look for ones that have a "JOKE:" disclaimer
Because a black widow has no husband.
Hydra-Gin
Because it was being driven by a woman
To fit in the box.
Ant Man
God: Err...