Marvel
-Black Panther (confirmed, Sabretooth/X23 rushdown type)
-Winter Soldier (Gun theme zoner type)
-Venom (similar to his past Vs series moves; long range normals, trappy specials, some spidey stuff)
Capcom
-Sigma (confirmed, mix-up type, the tricky stuff Ultron Sigma has came from Sigma)
-Monster Hunter Girl (Uses that big ass sword to deal heavy damage)
-Gill (basically as he was in 3rdS, resurrection and all)
Possible secondary Infinity skills and surges (hope this is false as it's being mentioned as a dlc rumor)