https://marvel.fandom.com/wiki/Defenders_(Manhattan)_(Earth-616)
VS
https://dc.fandom.com/wiki/John_Cooper_Hawksmoor_(Wildstorm_Universe)
Keep in mind, I couldn't find one single Avenger member that was a matchup for Jack Hawksmoor but this four together are and they were all Avengers at one point.
What do you think?