What's more powerful: a human rocket or a giant, green brick wall? The truth is, the answer to that question is actually pretty complicated.
Listen, the Avengers is practically a revolving door of the latest and greatest superheroes in the Marvel universe, which means that whittling down that list and arriving at the most powerful Avenger isn't exactly the easiest of tasks to be given. Some people might go with the more obvious choices like Thor and Captain America, but there are always those who'll trend towards someone a bit more off the beaten path. You know, like the almighty Squirrel Girl, who—yes—was a member of the Avengers at one point.
Despite the arguments that are bound to ensue, we've gathered up 20 of the strongest Marvel superheroes worthy of being crowned the most powerful Avenger of all time.