Marvel’s street-level universe is about to get a whole lot grittier. A new update from Brad Winderbaum, Marvel TV’s head honcho, has confirmed that the upcoming Punisher special presentation will directly connect to Spider-Man: Brand New Day. This marks a big step toward blending Marvel’s streaming stories with its blockbuster films, setting up an intense, character-driven New York City where heroes and antiheroes collide.During an appearance on…