Start a game with a save file from the original Marvel vs Capcom 3 to unlock Galactus without having to perform any other tasks to unlock him. Alternatively, to play as Galactus in Arcade mode unlock all 48 character endings. After that, highlight the "Arcade Mode" option at the main menu, then hold SELECT + L1 and press X.
"I Wanna Take You For a Ride" song remix for all characters:
Before arrivin at the Character Select Screen, hold down L2 + R2. When the character screen loads up, a remixed versions of "I Wanna Take you for a Ride" will play.
The Best There Is - Beat Arcade mode on the hardest difficulty.
Saving My Quarters - Beat Arcade mode without using any continues.
The Points Do Matter - Earn 400,000 points in Arcade mode.
Missions? Possible. - Clear 120 missions in Mission mode.
Above Average Joe - Land a Viewtiful Combo. (Arcade/online only)
Mutant Master - Land an Uncanny Combo. (Arcade/online only)
Mega Buster - Use 1,000 Hyper Combo Gauge bars. (Arcade/online only)
Defender - Block 100 times. (Arcade/Online only)
Advancing Guardian - Perform 100 Advancing Guards. (Arcade/Online only)
A Friend in Need - Perform 100 Crossover Assists. (Arcade/Online only)
First Strike - Land 50 First Attacks. (Arcade/Online only)
Savage Playing - Perform 50 Snap Backs. (Arcade/Online only)
Quick Change-Up - Perform 50 Crossover Counters. (Arcade/Online only)
Perfect X-ample - Use X-Factor 50 times. (Arcade/Online only)
Gravity? Please... - Land 50 Team Aerial Combos. (Arcade/Online only)
Mighty Teamwork - Land 30 Team Aerial Counters. (Arcade/Online only)
Big Bang Theory - Perform 30 Hyper Combo Finishes. (Arcade/online only)
Hard Corps - Perform 30 Crossover Combination Finishes. (Arcade/online only)
Training Montage - Play in Offline Mode for over 5 hours.
Seductive Embrace - Play in Online Mode for over 5 hours.
Brave New World - Participate in any mode online.
Hellbent - Participate in 100 matches online.
Dreaded Opponent - Participate in 200 matches online.
Incredible - Win without calling your partners or switching out in an online match.
Need a Healing Factor - Win without blocking in an online match.
Crazy Good - Surpass the rank of Fighter.
Hotshot - Win 10 battles in Ranked Match.
Slam Master - Win 50 battles in Ranked Match.
Noble Effort - Get a 5-game win streak in Ranked Match.
Assemble! - Participate in an 8 player Lobby online.
A Warrior Born - Earn 5,000 Player Points (PP).
Devil with a Blue Coat - Earn 30,000 Player Points (PP).
Passport to Beatdown Country - Fight in all of the stages.
High-Score Hero - Earn 500,000 points in Arcade mode.
Up To The Challenge - Clear 240 missions in Mission mode.
Master of Tasks - Clear 480 missions in Mission mode.
Training in Isolation - Play in Offline Mode for over 30 hours.
Rivals Welcome - Play in Online Mode for over 30 hours.
Forged From Steel - Participate in 300 matches online.
Full Roster - Battle against all characters online.
Mega Good - Surpass the 6th rank of any class.
Fighting Machine - Win 100 battles in Ranked Match.
Dominator - Collect 100 titles.
Divine Brawler - Earn 100,000 Player Points (PP).
Waiting for the Trade - View all endings in Arcade mode.
Comic Collector - Unlock all items in the Gallery.
The Ultimate - Earn all Bronze, Silver, and Gold trophies.