If there weren't no construction lines, that's pretty impressive. Very well done!
Just as a nitpick: his left eye needs to be adjusted. He looks slightly cross-eyed.
Suggestion: Background maybe?
Keep up the very good work. 
Thanks for that Swissy, I took your advice and tried to resolve the left eye issue, background added!
Superman
Comments welcome
This is my tribute, and it's not Elvis either! (no offence
)
Painted from scratch, without sketching 1st.
He's BACK!
Unfortunately there was some loss in quality from the original format
Hope you like it!