You know... intelligent people spell it s-e-r-i-o-i-u-s.
No, intelligent people spell it "Serious". They neither add an extra "I", nor do they add seven dashes when writing it out. Only silly new yonkers who can't clown around a little bit spell it s-e-r-i-o-i-u-s. For sirus though Malekith, just sit back, take a deep breath, and you'll feel much better :D