head to head
StarCraft II: Wings of Liberty asks more than Marvel vs. Capcom 2: New Age of Heroes, and the gap is optimization.

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

Execution · Grand Arena
Real-time strategy where hands, reads, and build optimization all matter at the top.
Marvel vs. Capcom 2: New Age of Heroes leans Execution (Grand Arena); StarCraft II: Wings of Liberty 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 2: New Age of Heroes
infinite combos and assist timing demand elite hands
StarCraft II: Wings of Liberty
APM, macro, micro-control under pressure
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
StarCraft II: Wings of Liberty
1v1 ladder vs adaptive humans modeling you
StarCraft II: Wings of Liberty leans a little harder on variance, though the gap is small.
Marvel vs. Capcom 2: New Age of Heroes
fully deterministic engine
StarCraft II: Wings of Liberty
map spawns minor; mostly known
StarCraft II: Wings of Liberty leans clearly harder on optimization.
Marvel vs. Capcom 2: New Age of Heroes
team order, assist synergy, and matchup knowledge
StarCraft II: Wings of Liberty
build orders, economy curves heavily solved
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.
full breakdown
Marvel vs. Capcom 2: New Age of Heroes →
full breakdown
StarCraft II: Wings of Liberty →