Scribblenauts Unmasked: A DC Comics Adventure

 Spawn "undead plague" or "zombie" followed by many "green lantern corps". Do this at a location where they cannot run away, such as one floor in a building.

 Spawn Gizmo. Spawn "metal" then give it to him.

 Origin missions are unlocked using Reputation points earned by performing heroic deeds. Aquaman's origin mission will cost 1,500 Justice League Reputation points. Give Arthur fish food or a fish bowl to help him tame fish. Then give him a map or submarine to help him find Atlantis. When he needs something fit for a king, give him a crown or trident. To help him defeat the rampaging Atlanteans, give him a weapon or summon the Justice League.

 Origin missions are unlocked using Reputation points earned by performing heroic deeds. When asked to put some chemicals into a cabinet for him, add hydrogen peroxide or just the word chemical. To electrify the cabinet place a tesla coil on it or a thunderstorm above it. To slow down the cab so the Barry can catch it, use the adjectives slow or heavy on it. To help him prove his father's innocence, give Barry a fingerprint or smoking gun.

 Origin missions are unlocked using Reputation points earned by performing heroic deeds. You will see a young Diana being bullied by two other children. Give her something such as a teddy bear or puppy to comfort her. She will then need a weapon such as a bow or gun for hunting. When she asks for a disguise, give her a party mask or any type of costume. Give her a diplomat or dove as a symbol to stop the war. To remind her of the Greek gods, give her a Pegasus or a statue. Finally, help her find her invisible jet by giving her a magnifying glass or metal detector.