Most Wanted Pack

The Most Wanted Pack can be bought with 600,000 Power Credits and contains 3 random gold characters out of: It is possible to obtain multiple copies of a single character from this pack.
 * Batman/Prime
 * Batman/Arkham Origins
 * Doomsday/Containment
 * Darkseid/Apokolips
 * The Joker/The Killing Joke
 * Martian Manhunter/Blackest Night
 * Raven/Prime
 * Scorpion/Mortal Kombat
 * Shazam
 * Superman/Regime
 * Reverse Flash

The drop rate for all characters are estimated to be the same, at 9.09% per slot, or 24.9% chance to get at least one copy of the desired character from a pack.

Much of the possible contents of the pack can be obtained from Challenge Booster Packs or Gold Booster Packs.

Reverse Flash is no longer in the pack despite the pack description in the store.

Trivia

 * The Most Wanted Pack was infamous for containing the much reviled The Flash/Elseworld as well as Solomon Grundy/Boss, but it appears they have been replaced, along with Superman/Prime and Deathstroke/Red Son.
 * Scorpion/Mortal Kombat and Batman/Prime are the only possible characters who are worth less than 200,000 credits, which is 1/3 of the pack.
 * The Most Wanted Pack is currently the only way to obtain The Joker/The Killing Joke without the use of Alliance Credits.