Steam
Hero shooter · Updated 7 September 2026

Your ultimate is not a button. It is both your abilities at once

On a controller Rivals puts Ability 1 on LB, Ability 2 on RB — and the ultimate on both together. So the two inputs you use most cannot be pressed close together without firing a third thing that is neither of them. That is not a slow combo when it happens; it is your ultimate, gone, mid-rotation.

01 / The chord

One input, made of two others

Derived from the verified controller layout behind /controls/marvel-rivals/, so if a patch moves the ultimate onto its own button this page stops making the claim.

LB Ability 1
+
RB Ability 2
=
Ultimate neither of them
02 / Combo gap bench

How close do your two abilities land?

Press your two ability buttons in sequence the way a combo actually needs — first one, then the other, as fast as you would in a fight. The page times the gap between them and shows it against the window where a pad stops seeing two presses and starts seeing one chord.

LB Ability 1
RB Ability 2
Last attempt
— — —

Nothing recorded yet.

0 ms 80 ms — chord window 400 ms
Press your two ability buttons in sequence

Do it the way you would in a fight rather than carefully. Three attempts before there is anything to read.

Median gap—
Would have fused—
Near the line—
ControllerNot seen
What the window is and is not The 80 ms line is this page’s, not the game’s. NetEase has not published the window in which two presses fuse into a chord, and this page will not invent a number. Anything within 40 ms of it is flagged, because a gap that close to any plausible boundary is a coin toss — and the reading that does not depend on the number at all is simply how tightly your own two presses cluster.
03 / Keyboard arm

On a desk this problem does not exist

On a keyboard the ultimate is Q — a key that means nothing else — so the two abilities can be pressed as fast as a hand can move them and nothing fuses. This is one of the few places in any game where a control problem exists on the controller and simply does not exist on the desk.

Controller

Ultimate is a chord of your two abilities. Every fast combo is a small bet.

Keyboard

Ultimate is Q, a key with no other job. The abilities can be pressed as fast as the hand moves.

What the desk does have

Not a chord, but its own kind of overload — inputs the verified entry marks as shared or conditional. Unlike Overwatch, where a key gains meanings because you gave them to it hero by hero, these arrive that way in the box.

Space
Jump Flight heroes hold Space to ascend.
F
Ability 3 Not every hero has a third ability.
F (context)
Interact
Mouse 3
Ping Hold for the ping wheel.

A beat costs less than the ultimate

If the bench above shows attempts fusing, the fix is a deliberate pause between the two abilities. It feels slower than it is — and it is unambiguously cheaper than losing an ultimate you had been building for two minutes.

This is shipped, not chosen

Overwatch players create their own overloaded keys, one hero profile at a time, and can undo it. This one arrives in the default layout on every hero, and the only thing you control is the spacing of your own hand.

The honest case for a keyboard here

Most “switch input device” advice on this site comes with caveats. This one is narrow and real: if you lose ultimates to accidental chords and cannot train the spacing out, the desk removes the failure rather than reducing it.

04 / Two sensitivities

Your vertical is not your horizontal. What does that cost?

Rivals gives you a horizontal sensitivity and a vertical one, and every settings guide hands out a pair — 180 and 130 is the usual advice — without saying what happens when they differ. What happens is that the same hand movement covers a different angle depending on which way you move it. Straight across and straight up are fine. Everything between them is not.

Copy the two numbers from Settings › Controls. Any pair works — the distortion depends on the ratio, not the size.

Dashed the circle your hand draws · solid what arrives on screen · the two rays where you aimed and where it lands, at your worst direction.

Type your two sensitivities

The distortion depends only on the ratio between them, so the numbers can be anything the game lets you set.

Vertical is—
Worst deviation—
Happens at—
Circle arrives—
Why this is arithmetic rather than a guess Nothing here needs to know how Rivals turns a sensitivity number into a turn rate. The two numbers scale two axes, and the angle a movement produces follows from the ratio alone — which is also why this page will not print a cm/360 figure: that would need the game's yaw constant, and this site has not verified one. What is on the screen above is exact for any pair you type.
05 / Answers

Straight answers

Why does my ultimate keep firing by accident in Marvel Rivals?+

Because on a controller the ultimate is not a button. The default layout puts Ability 1 on LB, Ability 2 on RB, and the ultimate on LB + RB together — so two ability presses that land close enough are delivered as one chord instead of two inputs. It is not a misclick and it is not your hero; it is the layout. The bench on this page times the gap between your own two presses and shows how many of them were close enough to fuse.

How do I use my ultimate on controller in Marvel Rivals?+

Press both bumpers at once — LB and RB on Xbox, L1 and R1 on PlayStation. That is also why the reverse happens: the same two buttons are your first two abilities individually, so the game is always deciding whether you meant two things or one.

How do I stop accidentally ulting?+

Put a deliberate beat between the two abilities. It feels slower than it is, and it is cheaper than losing an ultimate you spent two minutes building. If the bench here shows your presses fusing, that gap is the whole fix — nothing in the settings changes how the chord is read.

Is Marvel Rivals better on keyboard or controller?+

For this one specific problem, the keyboard removes it rather than reducing it: on PC the ultimate is Q, a key with no other job, so the two abilities can be pressed as fast as a hand moves and nothing fuses. That is a narrow claim and this page will not extend it — aim, movement and everything else are their own argument.

What are the default Marvel Rivals keybinds?+

Abilities on Left Shift, E and F, ultimate on Q, team-up on C, melee on V. Note that F is also the context interact key, and that heroes with flight or wall-crawling reuse Space and Shift — so some inputs change meaning depending on who you picked, shipped that way rather than because you configured it. Every verified binding is on /controls/marvel-rivals/.

Does this page know anything about specific heroes?+

No. This site has not verified hero kits and will not invent them, so nothing here depends on who you play. What is measured — the gap between two of your own button presses — is the same whoever is on screen.

Unofficial Keymap Labs is not affiliated with, endorsed by or sponsored by NetEase Games or Marvel. Marvel Rivals is a trademark of NetEase. Default bindings are read from the in-game settings screen and dated above, and the chord on this page is derived from them rather than written by hand. No hero data appears anywhere here — the measurement is the same whoever you play. The bench reads your own controller through the browser and cannot see the game.