Figured I'd give you all some insight into the type of battles you'll face. Here's what I'm up against in Tier A:

Special Rule: No duplicate characters

6 battles, complete all 6 in any order to finish the tier

Battle 1
Navigator Eddie
Purple Corrupt Droid
Red Undead Rescuer (with Steel and Immunity)
Purple Corrupt Droid

Battle 2
Clansman Eddie
Wrath
Yellow Child of the Damned
Yellow Corrupt Rescuer

Battle 3
Grim Reaper Eddie
Green Lilith
Green Golden Sun
Blue Lilith (I don't recall her having Destiny)

Battle 4
Edward the Great
Red Allied Soldier
Warlord
Purple Sniper

Battle 5
Grim Reaper Eddie
Angel of Fear
Purple Child of the Damned
Yellow Golden Sun

Battle 6
Trooper Eddie
Lady Azov
Sekhmet
Golden Pharaoh Dog

I don't know if the opposing teams are randomized for each player or if it's a fixed set for everyone.