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 founder of the Institute for Supranormality Research and became a criminal scientist. In his first appearance, Malus was performing illegal medical experiments on human beings, funded by the criminal Enforcer, in order to find out more about superhumans and their abilities. He was approached by the Human Fly, a supervillain who was losing his powers. Malus sent the Human Fly to steal some equipment, attracting the attention of the original Spider-Woman. Since Spider-Woman's friend Scotty McDowell had been rendered comatose by one of the Enforcer's poison bullets, Malus offered to cure McDowell in exchange for leniency. Spider-Woman agreed, but while