Gotta Get Dat Marvel Loot!
Loot is important for any action-RPG. There’s a game in and of itself when you pick what trinket to put on your character or what skill class that they should have. The first game included loot that boosted character stats, while the second one lacked any loot at all. A third Ultimate Alliance should definitely bring that back, but something in the vein of Diablo.
Injustice 2 is including gear, both as a way to mix up combat, and as an inventive way to include alternate costumes. It’d be nice to take inspirations from that game; while this doesn’t have to substitute for alternate costumes, gear that’s specific to each character would be nice. It could be something as simple as a piece of AIM tech that increases Sunspot’s power, to a ring from space that widens the distance of Medusa’s hair. Just as an extra bonus, the item has to be visibly seen on the character in some capacity.