First up: Since Captain Marvel (or, as he's now officially known, Shazam) has been beaten by Thor in the '90s DC/Marvel crossover, and Thor has frequently been matched or bested by Hulk over the years in Marvel comic-dom, this one might well seem a little improbable.
Thoughthe political borders of the region have shifted repeatedly inthe past, all of the volcanic portions of the Tibesti massifare now located within northernmost Chad, in the BorkouâEnnediâTibesti province.The Tibesti massif is one of six major exposures ofPrecambrian crystalline rocks found in northern Africa.
Chad Geography. In the northern reaches of the country, the Tibesti Mountains dominate the landscape of the surrounding Sahara Desert. The Sahel, on the southern edges of the ever-expanding Sahara Desert, is a transition zone between the dry areas of the north and the tropical areas of the south. It receives very little rain, and most of the vegetation is a savanna growth of sparse grasses and shrubs.