Here is the full list of all 47 Ultimate Marvel vs. Capcom 3 achievements worth 1,000 gamerscore.
Unlock all achievements.
Clear 480 missions in Mission mode.
Earn 500,000 points in Arcade mode.
Earn 400,000 points in Arcade mode.
Win 100 battles in Ranked Match.
Play on Xbox LIVE for over 30 hours.
Surpass the 6th rank of any class.
Win 50 battles in Ranked Match.
Unlock all items in the Gallery.
View all endings in Arcade mode.
Play in Offline Mode for over 30 hours.
Perform 50 Crossover Counters. (Arcade/Xbox LIVE)
Surpass the rank of Fighter.
Win 10 battles in Ranked Match.
Clear 240 missions in Mission mode.
Battle against all characters over Xbox LIVE.
Get a 5-game win streak in Ranked Match.
Collect 100 titles.
Perform 50 Snap Backs. (Arcade/Xbox LIVE)
Participate in 300 matches in Xbox LIVE.
Land 50 Team Aerial Combos. (Arcade/Xbox LIVE)
Clear 120 missions in Mission mode.
Perform 30 Crossover Combination Finishes. (Arcade/Xbox LIVE)
Participate in 200 matches in Xbox LIVE.
Land 30 Team Aerial Counters. (Arcade/Xbox LIVE)
Use 1,000 Hyper Combo Gauge bars. (Arcade/Xbox LIVE)
Participate in an 8 player Lobby over Xbox LIVE.
Earn 100,000 Player Points (PP).
Play on Xbox LIVE for over 5 hours.
Beat Arcade mode on the hardest difficulty.
Play in Offline Mode for over 5 hours.
Win without calling your partners or switching out in a Xbox LIVE match.
Win without blocking in an Xbox LIVE match.
Participate in 100 matches in Xbox LIVE.
Land an Uncanny Combo. (Arcade/Xbox LIVE)
Fight in all of the stages.
Perform 100 Advancing Guards. (Arcade/Xbox LIVE)
Perform 30 Hyper Combo Finishes. (Arcade/Xbox LIVE)
Land 50 First Attacks. (Arcade/Xbox LIVE)
Use X-Factor 50 times. (Arcade/Xbox LIVE)
Earn 30,000 Player Points (PP).
Beat Arcade mode without using any continues.
Block 100 times. (Arcade/Xbox LIVE)
Perform 100 Crossover Assists. (Arcade/Xbox LIVE)
Land a Viewtiful Combo. (Arcade/Xbox LIVE)
Earn 5,000 Player Points (PP).
Participate in any mode over Xbox LIVE.