U = Up
D = Down
L = Left
R = Right
J = Jump
Sj = Super jump
OTG = off the ground
LP = Light Punch
MP = Medium Punch
HP = Heavy Punch
LK = Light Kick
MK = Medium Kick
HK = Heavy Kick
3P = dash (LP+MP+HP) or F, F (note: you can cancel momentum from your dash by hitting the back input)
3K = super jump (default) (LK+MK+HK)
D, D, Start = taunt
PP = any 2 punch button simultaneously
QCF/236 = Quarter Circle Forward (D, DF, F)
QCB/214 = Quater Circle Back (D, DB, B)
HCB/63214 = Half Circle Back (F, DF, D, DB, B)
HCF/41236 = Half Circle Forward (B, DB, D, DF, F)
DP/623 = Dragon Punch Motion (F, D, DF)
QCD/412 = Quarter Circle Down (B, DB, D)
QCD+PP/412+P = Infinity Counter (B, DB, D + P)
QCD+P/412+P = Safety Roll (B, DB, D)
Activate an infinity stone once in your possession QCB+PP
For alternating colors hold up or down for 4 seconds on the character select screen for your chosen character. (example if you want Captain Americas alt color, then hold down for 4 seconds, whereas if you want Magnetos alt color then hold up for 4 seconds)