head to head
Marvel vs. Capcom 2: New Age of Heroes asks more than Mortal Kombat 11, and the gap is execution.

Execution · Grand Arena
Chaotic tag fighter whose top tiers reward blistering execution and assist mastery.

Reads · Grand Arena
A controlled-pace fighter where resource management and opponent modelling outweigh raw execution pressure.
Marvel vs. Capcom 2: New Age of Heroes leans Execution (Grand Arena); Mortal Kombat 11 leans Reads (Grand Arena).
Marvel vs. Capcom 2: New Age of Heroes leans clearly harder on execution.
Marvel vs. Capcom 2: New Age of Heroes
infinite combos and assist timing demand elite hands
Mortal Kombat 11
Kustom variation execution is demanding but more accessible than MKX
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel vs. Capcom 2: New Age of Heroes
humans bait assists and mix high-low constantly
Mortal Kombat 11
Fatal Blow timing reads and opponent tendency tracking are constant
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel vs. Capcom 2: New Age of Heroes
fully deterministic engine
Mortal Kombat 11
No RNG; all mechanics are visible
Mortal Kombat 11 leans a little harder on optimization, though the gap is small.
Marvel vs. Capcom 2: New Age of Heroes
team order, assist synergy, and matchup knowledge
Mortal Kombat 11
Fatal Blow baiting, Kustom build selection, and frame data extensively studied
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.