The Marvel Tōkon: Fighting Souls beta featured 16 of the 20 heroes planned for the full release, with significant character usage observed for Blade and Iron Man. Data analyst AlietteFaye provided insights on character usage rates, highlighting Blade, Magik, Iron Man, Magneto, and Black Panther as top characters, while Danger was noted as the least popular. Magik was the most favored starting character, followed by Black Panther, Blade, Doom, and Spider-Man. Iron Man, Magneto, Blade, and Magik were the leading assist characters. Phoenix Cyclops will be the first of four downloadable content characters to join the roster in the first year.