Psyonix has teamed up with Adult Swim and Adult Swim Games for a new partnership within Rocket League. As part of the game’s second anniversary update, players will have access to free customization items. Rick and Morty will be available as Antennas, along with ‘Cromulon,’ ‘Mr. Meeseeks,’ and ‘Mr. PBH’ Toppers, an ‘Interdimensional GB’ Rocket Boost, and ‘Sanchez DC-137’ Wheels....