No, i don’t believe in a resurrection of the fleshly body into heaven.
“The last Adam (Christ) became a life giving spirit” (1 Cor. 15:45)
This gives me an insight into your point of view.
What about what was foretold in Isaiah 26:19?
But your dead will live, Lord; their bodies will rise let those who dwell in the dust wake up and shout for joy your dew is like the dew of the morning; the earth will give birth to her dead.
What about Romans 8:11?
If the Spirit of him who raised Jesus from the dead dwells in you, he who raised Christ Jesus from the dead will give life to your mortal bodies also through his Spirit who dwells in you.
And that business with Thomas putting his fingers into His wounds and his hand into His side? What was that about?