The latest Heroes World codes include "MightyOFA," which provides 5k cash, one Rare Spin, and one Wheel Spin. Players can redeem codes by launching the game, clicking 'Play,' pressing 'M,' and entering the code in the designated box. To change teams from hero to villain or vice versa, players must locate Agent John after reaching level 650 and rank 150k. Players can find new codes by checking update patch notes in the game or joining the Heroes World Discord server. A list of expired codes is also provided, indicating that players should frequently check for new codes to enhance their gameplay.