No... wait. This happens when paragraphs get transformed into bullet points. It almost certainly means 2-player local, and those same two local players can go online and play co-op with up to two others.
One or more of the characters will specialize in melee combat. That's where WM+ comes in.
"The worst part about these reviews is they are [subjective]--and their scores often depend on how drunk you got the media at a Street Fighter event." — Mona Hamilton, Capcom Senior VP of Marketing
*Image indefinitely borrowed from BrainBoxLtd without his consent.