Ultron

With: Ant-Man (Future)

Ant-Man (Future): Incoming Shock effects suffer -60% duration. Ultron: +30% Bleed and Degeneration Debuff duration.

With: Hulkbuster

All Champions: +155 Critical Rating.

With: Iron Man

All Champions: +155 Critical Rating.

With: Ironheart

All Champions: +155 Critical Rating

With: Kingpin

All Champions: +115 Critical Damage Rating.

With: M.O.D.O.K.

M.O.D.O.K.: Every 7th hit, Increase Critical Rating by an additional 25%. Ultron: Triggering Function (Critical) also triggers Function (Damage).

With: Magneto

Magneto: While fighting #Hero Champions, Special Attacks gain +15% Attack rating and gain a Cruelty Buff lasting 14 seconds and increasing Critical Damage Rating by 800.

With: Mister Sinister

Mister Sinister, Ultron: Each time the opponent uses a Special Attack they become Power Locked for 6 seconds.

With: Nebula

Nebula: Start the fight with 1 additional Self-Repair Charge. Self-Repair Recharges 25% faster when Charges run out.

With: Nimrod

Nimrod: Reduce Opponent Purify and Nullify Ability Accuracy by 50%. Robots: 50% Chance to inflict a Stun Debuff lasting 1.5 seconds when performing a Well-Timed block on a non-contact attack.

With: Quicksilver

Quicksilver: When 50 or more Whiplashes expire at the same time, inflict a non stacking Special Concussion Debuff, reducing Ability Accuracy by 50% during Specials for 25 second(s). Ultron: Gain 600 Critical Damage Rating while the Opponent is Bleeding.

With: Sentinel

Sentinel: While fighting Tech Champions, the Opponent’s effects that Steal, Burn, or Drain Sentinel’s Power suffer 30% reduced potency.

With: Vision (Age of Ultron)

All Champions: +6% Attack Rating.

With: Vision (Deathless)

All Champions: +6% Health.

With: Vulture

Vulture: +5% Attack Rating & Immunity to Poison effects. Other Synergy Champions: +5% Attack Rating & +15% Buff Duration.

With: Warlock

All Champions: Whenever any teammate would receive a Debuff they are immune to, they gain a Fury Buff, increasing Attack Rating by 60% for 6 seconds.

With: Yellowjacket

All Champions: +115 Critical Damage Rating.