Kang Prime

Flying
Whenever Kang Prime enters or attacks, exile cards from the top of your library until you exile a nonland card. Put two time counters on that card. If it doesn't have suspend, it gains suspend. (At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost. If it's a creature, it has haste.)

Hulk, Bruce Banner

Trample (This creature can deal excess combat damage to the player he's attacking.)

Iron Man, Tony Stark

Robot Hero

Flying (This creature can't be blocked except by creatures with flying or reach.)
Attacking creatures you control get +1/+0.
Whenever you cast a red spell, create a 2/1 colorless Robot Hero artifact creature token with flying.

Power Boost

Quicksilver, Pietro Maximoff

Haste (This creature can attack and {T} as soon as he comes under your control.)

Repulsor Rays

Repulsor Rays deals 3 damage to target creature.

Scarlet Witch, Wanda Maximoff

Menace (This creature can't be blocked except by two or more creatures.)

Smashing Spree

Target attacking creature gets +3/+3 and gains trample until end of turn. (It can deal excess combat damage to the player it's attacking.)

Spider-Man, Hometown Hero

Reach (This creature can block creatures with flying.)
When Spider-Man enters, target creature with power 2 or less can't be blocked this turn.

Mountain

Loki, the Deceiver

Copy

Whenever Loki attacks, create a tapped and attacking token that's a copy of another target Villain you control, except it isn't legendary and it's an Illusion in addition to its other types. Sacrifice that token at the beginning of the next end step.
Whenever one or more Villains you control deal combat damage to a player, draw a card.

Marvel Super Heroes Commander