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