>>85570063 Depends on if there's a body left behind and what the decedent's wishes were.
When Colossus came back in Whedon's run it was explained that the bodies were switched before his cremation, but somebody's ashes were spread over the ocean in accordance with his wishes.
When Johnny Storm died in the Negative Zone there was no body left behind but a monument was built, when resurrected Johnny saw it and he himself asked if it was going to be taken down.
Jean Grey's (most recent) former mortal body is currently decomposing in in an upstate NY cemetery, meanwhile she's already been resurrected as The White Phoenix.
Captain America was shot with a superscience time displacement bullet, so when his dead body was being buried his living consciousness was reliving his life over and over again until he, in a living body, was pulled into the then present with superscience time machines. The Steve Rogers corpse was presumably still intered at Arlington. Who's going to dig it up to check?
I could make a whole list of superheroes who could visit their own graves.