Combine 1/2 cup boiling water and mushrooms in a bowl; cover and let stand 15 minutes. Drain mushrooms in a sieve over a bowl, reserving soaking liquid. Remove and discard stems. Chop mushroom caps; set aside.
Bring 2 quarts water to a boil in a Dutch oven. Add greens, and cook for 1 minute or until greens wilt. Remove greens from water with a slotted spoon. Plunge the greens into ice water; drain and squeeze dry. Set greens aside.
Return water in pan to a boil. Add egg noodles, and cook for 2 minutes or until done. Drain and rinse with cold water, and drain well. Place noodles in a large bowl. Add 1 tablespoon soy sauce and sesame oil, tossing to coat, and set aside.
Heat canola oil in a wok or large nonstick skillet over medium-high heat. Add ginger; stir-fry 5 seconds. Add mushrooms, bell pepper, onions, and garlic; stir-fry 2 minutes or until bell pepper is crisp-tender. Stir in greens and edamame; stir-fry 30 seconds. Stir in reserved mushroom soaking liquid, noodle mixture, remaining 3 tablespoons soy sauce, and hoisin sauce; cook 2 minutes or until thoroughly heated.