How to counter Ultron

Where these numbers come from

Ultron has 50 mapped matchups on this page, 5 of them heroes who counter Ultron hard.

The figures in the header: tier, win rate, pick rate and match count are drawn from community match data, across 43,553 recorded matches, and the tier letter is that data's call rather than ours. Pick rate is the share of matches featuring Ultron. Rank is our ordering of those win rates across the 53 heroes in the snapshot, not a rating we measured. Ban share is the percentage of every ban cast that named Ultron, in the ranked divisions where the ban phase runs. It is our own figure and not the same as a published ban rate. These win rates are shrunk toward 50% in proportion to sample size at the source, so a rarely played hero reads closer to even than it actually played. A sample, not a census, and not split by rank or mode. The matchup counts above are ours, and the 0 to 10 ratings on every card are matchup lopsidedness rather than a win rate, because we measure nothing ourselves. Statistical data is based on external APIs and publicly available information. It may differ from official data.

Who to play Ultron with

Team-Ups

Put Ultron on a team with any of these and the pair unlocks an extra ability. That is a game mechanic rather than a reading of the numbers.

• 

  Adam WarlockStrategist

  FLAWLESS DESIGN

  When teaming up with Ultron, Cosmic Cluster creates an explosion upon impact.

  62.1%across 3,998 matches

• 

  Iron ManDuelist

  STARK PROTOCOL

  When teaming up with Iron Man, Imperative: Firewall fires powerful homing missiles at enemies in range, causing area damage.

  62.3%across 3,512 matches

• 

  Peni ParkerVanguard

  Ability name not published yet

  66.8%across 2,527 matches

Best allies per hero, ranked by how often teams won with both on the field. Win rates are shrunk toward 50% by sample size at the source, because duo samples are far thinner than solo ones. This is not the same as a Team-Up, which is a specific ability a pair unlocks. A Team-Up is a game mechanic: these two heroes on one team unlock an extra ability. The win rate is how often teams containing both won, which is not the same as how much the Team-Up itself contributed. Match data as of Aug 31, 2026. Which heroes pair, and what the ability is called, come from the game itself. Team-Ups are reshuffled between seasons, so this list is refreshed rather than written once.