Originally Posted by Lord Melo
Just re-read rosters. I'd say you'd have to go with this lineup for a decent fight:
ADD Fantastic Four as cannon fodder
ADD core X-Men as distraction (Without Phoenix this is still a bloodbath. With Phoenix JLA is hurting).
Then you'd have a decent fight.
But bring along Supergirl or Captain Atom, game seriously over.
Let the League add Dr. Fate and / or Zatanna as well. The League wouldn't be hurting at all.