A supposedly legit full roster leak according to SRK.
Quote Originally Posted by NeoGAF user NeoUltima
Marvel Side
Galactus (Boss) (unrevealed)
-Taskmaster (unlock) (unrevealed)
-Shuma-Gorath (DLC) (leaked)
-She-Hulk
-Deadpool
-Captain America
-X-23
-Magneto
-Modok
-Hulk
-Spider-Man
-Dr. Doom
-Sentinel (unrevealed)
-Storm (unrevealed)
-Phoenix/Dark Phoenix (unrevealed)
-Super Skrull
-Dormammu
-Wolverine
-Iron Man
Capcom Side
-Amaterasu
-Ryu
-Rad Spencer
-Chun Li
-C. Viper (unrevealed)
-Hsien-ko (unrevealed)
-Jill (DLC) (unrevealed)
-Chris
-Wesker
-Dante
-Trish
-Arthur
-Felicia
-Morrigan
-Viewtiful Joe
-Tron Bonne
-Mike Haggar (leaked)
-Akuma (unlock) (unrevealed)
-Zero
Notes:
Edgeworth and Phoenix Wright make cameos in She-Hulk's ending. I think I might be missing a character, but it's 38 for the roster.
http://shoryuken.com/content/full-ma...r-leaked-2440/