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

Execution · Grand Arena
Hero shooter with team-up ability synergies.

Execution · Competitive PvP
A platform fighter where reading opponents and precise execution both drive victory.
Marvel Rivals leans Execution (Grand Arena); Super Smash Bros. for Nintendo 3DS leans Execution (Competitive PvP).
Same score on execution - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel Rivals
Hero aim and ability timing
Super Smash Bros. for Nintendo 3DS
precise inputs and combo execution required
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel Rivals
Team-fight cooldown trading is prediction
Super Smash Bros. for Nintendo 3DS
reading opponent habits and mixups
Marvel Rivals leans a little harder on variance, though the gap is small.
Marvel Rivals
Map and team comp roll affects
Super Smash Bros. for Nintendo 3DS
item spawns add randomness
Marvel Rivals leans a little harder on optimization, though the gap is small.
Marvel Rivals
Hero synergies and team-up combos deep
Super Smash Bros. for Nintendo 3DS
matchup knowledge and combos solvable
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.