Honestly, it's not even sure that Peter could learn MCU magic. It doesn't seem that it's purely a learned skill - you also have to have some natural...
They re did the beginning because they didn't have the rights to the first movie for whatever reason if you ignore that every thing else makes sense...
"But... But I want to be a big karate cyborg... ;_;" - Nik Hasta "Get off my lawn! ...on this forum, that just makes people think of Cyclops." - Sharpandpointies "...makes me think the Night King just says "Screw the rules, I have magic money" when it comes to physics." -Captain Morgan