Change Your Starting Character...
	Galactus...
	Play as Galactus...
	Various Trophies...

Between matches in Arcade Mode if you hold down either L1 or R1 on the loading screen, it will switch your starting character to your 2nd or 3rd character respectively.

Earn 30,000 points on your player card.

If you start a game with a save file from the original Marvel vs Capcom 3, then you will be able to play as Galactus, without having to perform any other tasks to unlock him.

Trophy	How to unlock
A Friend in Need (Bronze)	Perform 100 Crossover Assists. (Arcade/Online only)
A Warrior Born (Bronze)	Earn 5,000 Player Points (PP).
Above Average Joe (Bronze)	Land a Viewtiful Combo. (Arcade/online only)
Advancing Guardian (Bronze)	Perform 100 Advancing Guards. (Arcade/Online only)
Assemble! (Bronze)	Participate in an 8 player Lobby online.
Big Bang Theory (Bronze)	Perform 30 Hyper Combo Finishes. (Arcade/online only)
Brave New World (Bronze)	Participate in any mode online.
Comic Collector (Gold)	Unlock all items in the Gallery.
Crazy Good (Bronze)	Surpass the rank of Fighter.
Defender (Bronze)	Block 100 times. (Arcade/Online only)
Devil with a Blue Coat (Bronze)	Earn 30,000 Player Points (PP).
Divine Brawler (Silver)	Earn 100,000 Player Points (PP).
Dominator (Silver)	Collect 100 titles.
Dreaded Opponent (Bronze)	Participate in 200 matches online.
Fighting Machine (Silver)	Win 100 battles in Ranked Match.
First Strike (Bronze)	Land 50 First Attacks. (Arcade/Online only)
Forged From Steel (Silver)	Participate in 300 matches online.
Full Roster (Silver)	Battle against all characters online.
Gravity? Please... (Bronze)	Land 50 Team Aerial Combos. (Arcade/Online only)
Hard Corps (Bronze)	Perform 30 Crossover Combination Finishes. (Arcade/online only)
Hellbent (Bronze)	Participate in 100 matches online.
High-Score Hero (Silver)	Earn 500,000 points in Arcade mode.
Hotshot (Bronze)	Win 10 battles in Ranked Match.
Incredible (Bronze)	Win without calling your partners or switching out in an online match.
Master of Tasks (Silver)	Clear 480 missions in Mission mode.
Mega Buster (Bronze)	Use 1,000 Hyper Combo Gauge bars. (Arcade/online only)
Mega Good (Silver)	Surpass the 6th rank of any class.
Mighty Teamwork (Bronze)	Land 30 Team Aerial Counters. (Arcade/Online only)
Missions? Possible. (Bronze)	Clear 120 missions in Mission mode.
Mutant Master (Bronze)	Land an Uncanny Combo. (Arcade/online only)
Need a Healing Factor (Bronze)	Win without blocking in an online match.
Noble Effort (Bronze)	Get a 5-game win streak in Ranked Match.
Passport to Beatdown Country (Bronze)	Fight in all of the stages.
Perfect X-ample (Bronze)	Use X-Factor 50 times. (Arcade/Online only)
Quick Change-Up (Bronze)	Perform 50 Crossover Counters. (Arcade/Online only)
Rivals Welcome (Silver)	Play in Online Mode for over 30 hours.
Savage Playing (Bronze)	Perform 50 Snap Backs. (Arcade/Online only)
Saving My Quarters (Bronze)	Beat Arcade mode without using any continues.
Seductive Embrace (Bronze)	Play in Online Mode for over 5 hours.
Slam Master (Bronze)	Win 50 battles in Ranked Match.
The Best There Is (Bronze)	Beat Arcade mode on the hardest difficulty.
The Points Do Matter (Bronze)	Earn 400,000 points in Arcade mode.
The Ultimate (Platinum)	Obtain all Trophies.
Training in Isolation (Silver)	Play in Offline Mode for over 30 hours.
Training Montage (Bronze)	Play in Offline Mode for over 5 hours.
Up To The Challenge (Silver)	Clear 240 missions in Mission mode.
Waiting for the Trade (Gold)	View all endings in Arcade mode.