OTG attacks play a large roll in Ultimate Marvel vs Capcom 3. In this later installment of the game every character has been given an attack that has OTG properties which allows a grater freedom in team match-ups and increases the length of combos. Below is a list of each character's OTG attack.
Command
Damage
Name
Captain America
qcf + l , airok
60,000 X 2 (114,000)
Shield Slash
Deadpool
dp + h
70,000
Katana-Rama!
Deadpool
air qcf + l
70,000
Trigger Happy
Doctor Doom
m
40,000 X 2 (72,000)
Standing Medium
Doctor Doom
h
55,000 X 2 (101,700)
Standing Heavy
Doctor Doom
b + h
20,000 x 1 ~ 8 (20,000 ~ 113,600)
Hidden Missles
Doctor Doom
qcf + atk
20,000 X 4 ~ 12 (68,600 ~ 143,000)
Plasma Beam
Doctor Doom
qcb + atk + atk
20,000 X 25 ~ 50 (287,900 ~ 345,800)
Photon Array
Doctor Strange
qcb + m -> qcb + h
90,000
Flames of the Faltine
Doctor Strange
qcf + atk + atk
33,000 x 10
Spell of Vishanti
Work in Progress!!!