Rules.
Fight is in New York city (no people around).
Thanos can die (no death curse here).
Fight is to the death or ko.
Proxima is prone to use her spear (sun mass and poison) in this fight. Thanos can't mentally control the spear like she can. He can grab it though.
All characters are fighting with optimal intelligence (they don't do things that are contrary to their actual intelligence).
First fight
Thanos does not have his tech and is reduced to only blasting and h2h.
Second fight
Thanos has access to any tech that's normally and currently on his person (no outside tech) and can perform other actions within his current powers.
Registered: Mar 2006
Location: United States, New Jersey
Thanos in both. He has feats to suggest that this would be a no contest, and enough power to prove it. Lol at the spear being a threat to him after he was able to repeatedly get back on his feet after taking multiple hits from a Cosmic Cube and spanking the Revengers for using it on him. He'd murder this team.
The spear gets the same treatment BRB’s hammer got. You seem to forgot Thanos killed the original owner of the spear. Glaive couldn’t even put Hyperion down with his weapon. He gets blasted or pounded out of sight.
They are all fodder the Thanos, the levels between Thanos and the black order were clearly shown in infinity under Hickman.
Thanos has shown multiple times he can react to things of that level. Even in that series under Hickman he was quick enough to block a point blank boat from CM whilst dealing with Thor at the same time.