Team Bonuses:
Use a team with the indicated characters to get the indicated bonus. 

     Age of Apocalypse (Any four heroes with Age of Apocalypse skins):
+100% attack rating

     Agile  Warriors  (Nightcrawler,  Sunfire,  Toad,  Deadpool):  +5%
experience points

     Brotherhood  of  Evil (Juggernaut, Magneto, Scarlet Witch, Toad):
+5% experience points

     Bruiser   Brigade(Juggernaut,  Colossus,  Wolverine,  Rogue):  20
energy gained per knockout

     Dark  Past  (Rogue,  Deadpool,  Gambnit,  Wolverine):  5%  damage
inflicted goes to health

     Double  Date (Rogue, Gambit, Jean Grey Cyclops): 20 health gained
per knockout

     Energy Corps (Gambit, Bishop, Cyclops, Iron Man): +5% damage

     Family  Affair (Magneto, Professor X, Scarlet Witch, Juggernaut):
+5 health regeneration

     Femme  Fatale (Storm, Scarlet Witch, Rogue, Jean Grey): 5% damage
inflicted goes to health

     Forces  of  Nature  (Storm, Iceman, Sunfire, Magneto): +10 to all
resistances

     Heavy Metal (Colossus, Juggernaut, Iron Man, Magneto): +10 to all
stats

     New  Avengers  (Iron Man, Scarlet Witch, Wolverine, Bishop): +15%
maximum health

     New  X-Men  (Nightclawler,  Storm,  Colossus, Wolverine, Sunfire,
Bishop): +15% maximim health

     Old  School (Cyclops, Jean Grey, Iceman, Magneto, Toad, Professor
X): +15% max energy

     Raven  Knights  (Iceman,  Professor  X, Iron Man, Deadpool): +60%
techbit drops

     Special Ops (Bishop, Deadpool, Nightcrawler, Gambit): +5% damage


Completion Bonuses:
     Successfully  complete  the  game  to  unlock the hard difficulty
setting (enemies at level 50). You can also start a new game with your
previous characters at their current experience level.

Play as Deadpool:
     Successfully complete the game.

Play as Iron Man:
     Find  the  four homing beacons in Act 1 through 4 and collect the
piece  of  his  armor that each set unlocks. Then, save Iron Man after
finding the four homing beacons in Act 5.

Play as Professor Xavier:
     Successfully complete all Danger Room missions.