Batman...
	Defeat Enemy Achievements...
	Easy Money...
	Easy: Getting more super heroe...
	Injustice Mobile Bonuses...
	Restore Energy...

When characters are not in use they stay at their current levels, so to increase Batman's overall effectiveness you need to use him as often as possible so he gains new maneuvers and additional energy.

Achievement	How to unlock
Brains over Brawn	Defeat Superman with Lex Luthor.
Girl Power	Win with a team of Harley Quinn, Catwoman, and Wonder Woman.
Half Man Half Amazing	Defeat an opponent with Cyborg's Supermove.
Legion of Doom	Win with a team of Lex Luthor, Solomon Grundy, and Sinestro.
Night Cycle	Defeat an opponent with Nightwing's Supermove.
Running Start	Defeat an opponent with the Flash's Supermove.
This One is for Mr. J	Defeat Batman with Harley Quinn.
War of the Lanterns	Defeat Sinestro with Green Lantern.
Watch the Birdie	Defeat Deathstroke with Green Arrow.
Who's Laughing Now?	Defeat an opponent with Joker's Passive Special Ability.

Use Night Wings special attack to kill Bane and earn easy money.

Everytine in the beginning you'll get two super heroes if you train those starting over you'll get more.

When you complete the following tasks in the Injustice Mobile iOS app the corresponding bonus in the linked console version of the game will become unlocked.

Superman Icon:
Complete the Tutorial.

Wonder Woman Icon:
Complete a battle in Injustice Mobile.

Green Arrow Icon:
Complete 10 battles in Injustice Mobile.

The Joker Icon:
Complete 25 battles in Injustice Mobile.

Doomsday Icon:
Complete 40 battles in Injustice Mobile.

Bane Background:
Collect 5 character cards in Injustice Mobile.

Solomon Grundy Background:
Collect 10 character cards.

Superman's Cape Background:
Collect 15 character cards.

Bars of Gold Background:
Collect 30 character cards.

Batman Beyond:
Obtain any Batman character card.

New 52 Green Lantern:
Complete a Bonus Battle in Injustice Mobile.

Arkham Harley:
Obtain any Joker character card.

Killer Frost Background:
Evolve a character card to max.

Wonder Woman Portrait:
Login once to Injustice Mobile.

Green Arrow Portrait:
Login 5 times (counts once per day).

The Joker Portrait:
Login 10 times (counts once per day).

Doomsday Portrait:
Login 20 times (counts once per day).

Superman Portrait:
Login 30 times (counts once per day).

Hidden Reward:
Complete ALL Battles in Injustice Mobile.

Knightfall Bane:
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You can restore energy by manually forwarding your iphones clock or calendar.