head to head
Street Fighter III: 3rd Strike asks more than Marvel vs. Capcom 2: New Age of Heroes, and the gap is reads.

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

Reads · Competitive PvP
A parry system that elevates reads to the central skill axis, with execution demands that remain punishing decades later.
Marvel vs. Capcom 2: New Age of Heroes leans Execution (Grand Arena); Street Fighter III: 3rd Strike leans Reads (Competitive PvP).
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
Street Fighter III: 3rd Strike
SA combo links and precise parry timing set an extreme execution ceiling
Street Fighter III: 3rd Strike leans clearly harder on reads.
Marvel vs. Capcom 2: New Age of Heroes
humans bait assists and mix high-low constantly
Street Fighter III: 3rd Strike
Parry is a pure real-time read against an adapting human - the defining mechanic
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
Street Fighter III: 3rd Strike
No RNG; all information is transparent
Same score on optimization - 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
team order, assist synergy, and matchup knowledge
Street Fighter III: 3rd Strike
Super Art selection and character punish routing are well-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.
full breakdown
Marvel vs. Capcom 2: New Age of Heroes →
full breakdown
Street Fighter III: 3rd Strike →