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 who was possessing Wizard at the time. As part of the "All-New, All-Different Marvel" event, Karl Malus returned following his devouring by Carnage. Malus explained that he was indeed eaten by Carnage, but somehow was able to pull himself back together once deposited as waste. As a human/Symbiote hybrid, Malus now exhibits symbiote-like abilities and behavior. Since this incident, he continued his experiments on humans as an employee of Serpent Solutions as seen in their flashback. Most of Karl Malus's experiments were on illegal immigrants that were given to him by the Sons of the Serpent upon apprehending them at