Sc. 3.
"At Grecian sword contenning ..."
So the folio reads; an evident misprint for contemning. The aposiopesis removes all need of alteration. The usual reading is contending, that of 2nd folio.
"Catched it again; or whether his fall enraged him."
The usual substitution of or for and.
Sc. 4.
"No, nor a man that fears you less than he,