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