He.
Is.
Everywhere.
Hopefully he won't pull a Khan and chew the scenery again.
Well, a lot of Doctor Strange dialog is kinda pompous and scene chewy. I mean, how else would you intone, "By the hoary hosts of Hoggoth, and by Ymir's frozen sea, I implore the Flames of Faltine to produce me a cup of tea,"? 'Cause that's what his spellcasting sounds like a lot of the time.
Jeremy Irons might have worked, too.
Most other actors would probably not take a line like that seriously enough to ham it up properly.