head to head
Neither is simply harder - they are hard in different places. Marvel Snap demands more variance; Overwatch demands more execution.

Reads · Grand Arena
A fast card game where the snap mechanic makes reads central.

Execution · Grand Arena
Team hero shooter blending FPS mechanics with ability economy mind games.
Marvel Snap leans Reads (Grand Arena); Overwatch leans Execution (Grand Arena).
Overwatch leans clearly harder on execution.
Marvel Snap
No execution component
Overwatch
Hero aim, movement, and ability timing
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel Snap
Snap/retreat decisions are pure opponent psychology
Overwatch
Ult tracking, flanks, and baiting human teams
Marvel Snap leans clearly harder on variance.
Marvel Snap
Hidden locations and draws drive swings
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 Snap
Deck construction and curve still matter
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.