Doom: My System is Jarvis

The doomsday is coming, and Qin Feng, who has resurrected his life, has obtained the Jarvis system!
In the database!
All kinds of high technology are available!
From the Ark Reactor!To the full line of steel suits!Then to the sky carrier!Super Soldier Serum!Extremis virus...
There are even techniques from the comics!
then……
While the other survivors were still struggling to survive, Qin Feng was already wondering which suit of armor to wear when going out...
Brand new?No, it's too gimmicky,
If it doesn't work, let's wear MK85!
……
[The introduction is incompetent, please read the text]