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

Execution · Practiced Mastery
Two Spider-Men, faster traversal, and deeper combo systems.

Execution · Pure Mechanics
A 2D brawler testing counter timing and combo execution against scripted waves.
Marvel's Spider-Man 2 leans Execution (Practiced Mastery); Shank 2 leans Execution (Pure Mechanics).
Shank 2 leans a little harder on execution, though the gap is small.
Marvel's Spider-Man 2
Symbiote and dual-hero combat demands inputs.
Shank 2
Combo juggling, counters and dodge timing carry every brawl
Same score on reads - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel's Spider-Man 2
Enemies scripted, not modeling player.
Shank 2
Enemies telegraph fixed attacks; survival co-op stays scripted
Same score on variance - which means the number cannot separate them. The difference is in what each one asks of you.
Marvel's Spider-Man 2
Light open-world randomness.
Shank 2
Encounters are deterministic set pieces
Marvel's Spider-Man 2 leans a little harder on optimization, though the gap is small.
Marvel's Spider-Man 2
Expanded skill trees and gadget combos solvable.
Shank 2
Weapon synergies and crowd-priority knowledge add depth
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.