* Somebody holds Hornet in their hand
* Hornet is knocked unconscious
* Hornet's stingers have no discernible effect
* Ant-Man mopes about not wanting to hurt anybody
Two drinks if:
* Hawkeye runs out of arrows
* Somebody else brings extra arrows for Hawkeye
* Hawkeye's special arrows are easily ignored (not countered)
* Ms. Marvel appears out of uniform
Three drinks if:
* The Avengers forget that fake-Captain America betrayed the Hulk and he's still captive somewhere
* The Hulk changes back to Bruce Banner
* The Hulk is wearing pants that aren't torn
* Thor declares that something will "end now"
Four drinks if:
* Pepper Potts appears (extra drink if Tony's not in the scene)
* Iron Man wears an alternate suit of armor
* Iron Man refers to financial or emotional problems
* T'Chala shows up without his mask