Zenduba

JLU. Both teams have spent some time squabbling but you can't deny that EMH is quite ununited and uncordinated as a team compared to JL. And its also not about brains (both teams have defeated characters smarter than they are, e.g. Brainiac,The Leader, etc) but more about tactical ability, which EMH has but not as much as the JL. Avengers is a mixture of scientists, rulers and agents (where does Wasp fit in?) but most of the JL characters have combat backgrounds and training (Batman, Wonder Woman, Hawkgirl, GL MM) with only Supes and Flash without. When it comes to actual combat, strategy and tactics they are all well versed as compared to Avengers were Cap has to make all the calls.