Israel and Iran go at it. In the ensuing chaos, the Middle East is torn apart even more than it already is and Turkey goes full bore against the Kurds. Pakistan and India use the moment to decide "once and for all" who gets the Kashmir. With India pulled towards the northwest, China makes a move to "adjust" the border with India, setting southeast Asia on fire. North Korea sees everyone else distracted and blasts into South Korea to finish granddad's unification war. In an effort to "contain" the situation in the Koreas, Russia militarizes the Kuril islands and all hell breaks loose with Japan. As NATO and SEATO are pulled every which way, Argentina takes the opportunity to seize the Falklands.
Have I missed any major players yet?