L4D2 multiplayer is completely different than Evolve.
Evolve is 4 hunters (with different powers) vs. a single monster (can have different types of monsters) whereas L4D2 is 4 people (nothing unique about them) vs. 4 monsters (with different powers)
The most similar game to L4D2 multiplayer is probably Nosgoth. 4 humans (can choose among multiple classes) vs. 4 Vampires (can choose among multiple classes). Can also change each class's perks, weapons, etc.