Here is the full list of achievements you can unlock in Marvel vs. Capcom 3: Fate of Two Worlds for the Xbox 360.
A Hero Stands Alone (10 points) – Win a match without calling your partners or switching out (Arcade/Xbox LIVE only)
A New Avenger (40 points) – Clear 320 missions in Mission mode
Avengers Assemble! (15 points) – Make a team composed of the Big 3 and win a match (Arcade/Xbox LIVE only)
Average Joe (10 points) – Land a Viewtiful Combo (Arcade/Xbox LIVE only)
Back at ‘Cha! (10 points) – Perform 10 successful Crossover Counters (Arcade/Xbox LIVE only)
Badds to the Bone (15 points) – Make a team of three who have altered their bodies, and win a match (Arcade/Xbox LIVE only)
Be Gone! (10 points) – Perform 10 Snap Backs (Arcade/Xbox LIVE only)
Big Bang Theory (30 points) – Perform 30 Hyper Combo Finishes (Arcade/Xbox LIVE only)
Brave New World (10 points) – Participate in any mode on Xbox LIVE
Brusin’ Bruce (20 points) – Land an Incredible Combo (Arcade/Xbox LIVE only)
Champion Edition Hero (30 points) – Earn 30,000 Player Points (PP)
Charles in Charge (30 points) – Land an Uncanny Combo (Arcade/Xbox LIVE only)
Combat Specialist (30 points) – In Ranked Match, surpass the “1st” class rank, or fight someone who has
Comic Collector (50 points) – Unlock all items in the Gallery
Copy This! (20 points) – Put an end to this game of spider and fly in a Xbox LIVE match
Darkstalkers (15 points) – Make a team composed of those who dwell in the darkness, and win a match (Arcade/Xbox LIVE only)
Duty and Deus Ex Machina (20 points) – Make a match on Xbox LIVE between a national hero and a killing machine a reality
Excelsior! (10 points) – Perform 10 Team Aerial Combos (Arcade/Xbox LIVE only)
Fate of the Satsui no Hadou (20 points) – Decide who is the true master of the fist in a Xbox LIVE match
Fate of Two Worlds (20 points) – Make a match on Xbox LIVE between the marquee characters for this game a reality
Female Flyers (15 points) – Make a team composed of women who can fly, and win a match (Arcade/Xbox LIVE only)
Full Roster (40 points) – Battle against all characters in a Xbox LIVE match
Galactic Smasher (40 points) – Perform 30 Crossover Combination Finishes (Arcade/Xbox LIVE only)
Herculean Task (30 points) – Beat Arcade mode on the hardest difficulty
I Buy the Issues (10 points) – View one ending in Arcade mode
Leading the Charge (30 points) – Surpass the rank of Fighter
Master of Fate (50 points) – Unlock all achievements
Mega Buster (20 points) – Use 1,000 Hyper Combo Gauge bars (Arcade/Xbox LIVE only)
Need a Healing Factor (10 points) – Win a match without blocking (Arcade/Xbox LIVE only)
One Step Ahead (30 points) – Land 50 First Attacks in a match (Arcade/Xbox LIVE only)
Passed the Field Test (20 points) – Clear 160 missions in Mission mode
Passport to Beatdown Country (10 points) – Fight in all of the stages
Playtime Is Over (10 points) – Surpass the rank of Amateur
Raccoon City Incident (20 points) – Settle things between former S.T.A.R.S. members in a Xbox LIVE match
Saving My Quarters (20 points) – Beat Arcade mode without using any continues
School for the Gifted (15 points) – Get a 5 game win streak in Ranked Match
Steel Battalion (20 points) – Block 100 times (Arcade/Xbox LIVE only)
Super Turbo Brawler (50 points) – Earn 100,000 Player Points (PP)
Turn the Tables (10 points) – Land a Team Aerial Counter in a match (Arcade/Xbox LIVE only)
Ultimate Nullifier (10 points) – Perform 30 successful Advancing Guards (Arcade/Xbox LIVE only)
Waiting for the Trade (50 points) – View all endings in Arcade mode
Weapon X (15 points) – Make a team composed of Weapon-X test subjects, and win a match (Arcade/Xbox LIVE only)
Welcome to Avengers Academy! (10 points) – Clear 80 missions in Mission mode
Who Will Answer the Call? (10 points) – Participate in an 8 player Lobby on Xbox LIVE
Whose Side Are You On? (20 points) – Bring about an end to the Civil War in a Xbox LIVE match
World Warrior (10 points) – Earn 5,000 Player Points (PP)
Wreak “Havok” (10 points) – Use X-Factor in a match (Arcade/Xbox LIVE only)
