You won a battle with Super-Skrull and Veranke.
You finished the Campaign mode.
You won a battle with Hawkeye & Black Widow.
You won a battle with Wolverine & Magneto.
You won a battle with Super Skrull & Doctor Doom.
You won a battle with Scarlet Witch & Storm.
You won a battle with Doctor Doom & Doctor Strange.
You won a battle with Phoenix & Human Torch.
You changed the costume of one of your character.
You won a battle with Thor & Storm.
You won a battle with Spider-Man & Venom.
You won a battle with Thor and Loki.
You won a battle with Wolverine and Phoenix.
You won a battle with Human Torch & Iceman.
You got 100 000 Experience points.
You dodged a Super Attack.
You finished the first part of the Campaign.
You used your Breaker to break a Combo.
You won a battle with Captain America and Iron Man.
You won a fight without changing characters in Campaign.
You won a battle with Hulk & Iron Man.
You chained two Super Attacks by switching characters.
You obtained an adamantium grade.
You performed a Counter Kick.
You won a match without dodging in Campaign.
You won your first battle in Campaign.
You used your ULTRA Attack.
You chained two Super Attacks.
You reached the FAST velocity when doing a Super Attack 5 times in a row.
You countered a Super Attack with another Super Attack.
You performed a Close-Combat.
You won a fight without being hit in Campaign.
You won a battle in CO-OP.
You performed a 4x Combo in CO-OP.
You finished every Trial.
You unlocked the highest Rank.
You finished all character's challenge.
You won the arcade mode once.
You finished the Tutorial challenges.
You fired projectiles during the ULTRA attack in CO-OP.
You won a Tournament.
You chained 3 Super Attacks by switching characters twice.
You chained 4 Super Attacks by switching characters twice.