head to head
Neither is meaningfully harder - they pose close to the same test. The widest gap is reads, and it is a single point.

Execution · Grand Arena
A Stone-powered tag fighter where Infinity Stone selection and team synergy drive the competitive meta.

Execution · Grand Arena
Team hero shooter blending FPS mechanics with ability economy mind games.
Marvel vs. Capcom: Infinite leans Execution (Grand Arena); Overwatch leans Execution (Grand Arena).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel vs. Capcom: Infinite
Infinity Stone tag combos require practiced execution
Overwatch
Hero aim, movement, and ability timing
Marvel vs. Capcom: Infinite leans a little harder on reads, though the gap is small.
Marvel vs. Capcom: Infinite
Stone selection counter-picks and team tendency reads against humans
Overwatch
Ult tracking, flanks, and baiting human teams
Overwatch leans a little harder on variance, though the gap is small.
Marvel vs. Capcom: Infinite
No RNG; all information is visible
Overwatch
Minor spread and matchmaking noise
Same score on optimization - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel vs. Capcom: Infinite
Stone pairing meta and team routing reward structured study
Overwatch
Team comps, ult economy, and positioning theory
A matching score does not mean a matching test. Two games can both sit at 10 on execution and demand completely different things of you - which is why the reasoning above matters more than the number beside it.