Jimmyfenix
Member
Armageddemon
Armageddemon is a powerful Mega form Digimon that you will discover during a brand-new dungeon in the Dimensional District. Once you complete Story Mode, you will have to defeat him to save the Digital World.
Meicoomon and Maycrackmon
Meicoomon and Maycrackmon, both from Digimon Adventure Tri., are also joining the Digital World for new adventures.
Network Battles
Players can experience Network Battles thanks to the Dimensional Box at Jijimons house. Face other players in a retro atmosphere and gain points from your fights to unlock different kinds of rewards.
Free Post-Launch DLC
After the release of the game, players will be able to enjoy new content thanks to free downloadable content. Piedmon, Myotismon, and the fearful Boltboutamon are all joining during a new, mysterious event. Several other events, involving different Digimon such as Piedmon, Tukaimon, or Sorcermon, will also be available.
http://gematsu.com/2017/01/digimon-world-next-order-details-armageddemon-meicoomon-maycrackmon-network-battles-free-dlc
new screenshots in the gematsu link as well