….vanquish Thanos the mad Titan and then….
1. Disempower evil.
2. Build autonomous benevolent systems safeguarding basic human rights.
3. Create redundant safety mechanisms to keep human greed and ego in check.
4. Ensure all are fed, housed, and have basic needs accounted for.
5. Make access to education free for all.
6. Snap away oil executives, corrupt leaders, and the aristocracy.
7. Provide a safe, cheap, miniaturized, portable energy source.
8. Make ourselves immortal and make duplicates, so that we can objectively safeguard the world as needed when people try to fuck it up.
9. Ensure the universe is truly infinite to combat ever increasing entropy and enable continued existence for all life perpetually, should they acquire the means for mass scale cooperation, peace, expansion, and eventual paradise.