I disagree, if anything Superman should be easier to pull off because of the fact that he is an alien. If you were adapted by a family in Kansas and was raised with their values, it doesn't necessarily mean you have to be white as there are blacks, asians, etc in Kansas too lol. (all irrelevant anyway since he is an adopted child from another planet).
Just my opinion tho, when I was a kid I always looked at Superman as racially ambiguous in the animated series to project myself as the dude, even tho I know the character is sposed to be white - I just rationalize it as him being an alien therefore the race shyt doesn't count
guess that's why there are folks here so adamant to hold on to the childhood memory of Lex being black since he was drawn a specific way despite the fact that we all know he is white.