Main Staff/Members:

TaZaR - Project Organizer , Sprite Editor, Webmaster
XFields aka. Shadowcatpryde - Project Organizer & Sprite Editor (various chars)
Comedy HaHa - Ex-Project Organizer & Sprite Editor
Warmachine X - Forum Master
Goku SSJ4 - Sprite Editor (Beast & Strong Guy)
McCready - Sprite Editor (Banshee & Strong Guy)
Mythsoftaboo - Sprite Editor (Sunspot, Shard & Blob)
SS5ACE - Programmer
Buyog - Programmer (Marrow)
X-Pachin - Sprite Editor (Polaris)
Pitboss - Sprite Editor (Bishop)
Loganir - Sprite Editor (Logan)
MamboJambo - Sprite Editor (Nightcrawler)
Anubis - Sound Specialist

Contributers (Donated Characters & Stages):

Loki (Colossus)
Luvly Angel (Gambit)
White Magic (Storm)
Luchini (Spiral)
E.R. (Sentinal)
Onslaught X (Omega Red & Onslaught)
Splode (Juggernaut, Iceman & Rogue)
Jin Kazama (Sabretooth)
Sunboy (Cyclops & Psylocke)
Billy Kane (Magneto)
The Imortal (X-Men: COTA Stages)
Paulo Carvalho (Code Red Stage)
Kila Croc (Ex-Project Member)
Blackjack (Ex-Project Member)
Doc Ock 4 Mugen (Ex-Project Member)

Additional Thanks To:

Prime'Op (Site Graphics)
DC Vs Marvel Project Members
The Fantastic Four Project Members
The Webhead Project Members
Marvel Superheros 2 Project Members
Elecbyte
Marvel
Capcom