Call it a landslide Super Tuesday victory for a franchise in desperate need of a jolt. Matt Harvey and Zack Wheeler were about everything the Mets could have wanted yesterday, providing a glimpse of the future while commanding the present. “Fans are going to enjoy watching these two young guys for a long time,” manager Terry Collins said after the Mets swept the Braves in a doubleheader, winning 4-3 behind Harvey and 6-1 behind Wheeler at Turner Field. “We’ve got two guys that can win some baseball games for you.” After Harvey took a no-hitter into the seventh inning and held on for the win in the opener, Wheeler simply refused to crumble in his major league debut. Overcoming early wildness, the 23-year-old righty provided the earliest of possible indications the Mets have another special talent to join Harvey in this rotation. Wheeler unleashed mid-90s heat over six shutout innings in which he surrendered four hits and five walks with seven strikeouts over 102 pitches. And when Anthony Recker smashed a two-run homer against Paul Maholm in the seventh, Wheeler had the support he needed for the win. The Mets padded that lead with four runs in the eighth. Somehow Wheeler had survived after walking four batters over the first three innings. “I had some jitters going at first,” said Wheeler, whose debut came in front of family members and friends from his nearby hometown of Dallas, Ga. “Then I settled down a little bit and found a rhythm and was throwing all my pitches for strikes.” Wheeler, who was doused by teammates with cans of beer and a cooler full of sports drink on the field after the game, made an impression on Harvey. “Six innings against this team and no runs is pretty impressive,” said Harvey, who surrendered three runs in the eighth inning of Game 1.