Malus sieversii modern apple cultivars. Unlike domesticated varieties its leaves go red in autumn: 62.2% of the trees in the wild do this compared to only 2.8% of the regular apple plant or the 2,170 English cultivated varieties. The species is now considered vulnerable to extinction. "Malus sieversii" has previously been identified as the main contributor to the genome of the cultivated apple ("Malus pumila"), on the basis of morphological, molecular, and historical evidence. A DNA analysis in 2010 confirmed "M. sieversii" as the progenitor of the cultivated apple. A third species that has been thought to have made contributions to the
Karl Malus stabilize their powers, but in fact it only served to keep the subjects working for—and paying—the Power Broker. One such victim was Sharon Ventura, who was also sexually abused while drugged. Many wrestlers of the Unlimited Class Wrestling Federation, which is only open to those with super-strength, have used the Power Broker's services, and wound up indebted to them. Malus soon almost strength-augmented Captain America, but was overpowered by D-Man. He escaped with Captain America from the sealed Power Broker laboratory, but was captured by the Night Shift. When Power Broker, Inc. was attacked by the vigilante known as Scourge