Im positive Squirel Girl beating Thanos is canon as there was another book where it's been mentioned.
As for Squirrel Girl vs Batman, there's a thread that covers it all.
http://www.killermovies.com/forums/showthread.php?s=&threadid=519761&highlight=title%3A%28The+most+powerful+forces+in+existence+collide%29
Re: Most Powreful of DC Vs. Most Powerful of Marvel
Originally posted by galactusischere
-Krona form the JLA/Avengers cross-over Vs. The Living Tribunal = LT
-Elaine at the height of her powers Vs. The omnipotent Beyonder
-The Anti-Monitor Vs. Abraxas = AM
-Mandrakk Vs. HoM Scarlet Witch = Mandrakk
-Michael and Lucy Vs. Pre-Ret Molecule Man = Mic or Luc can both do it.
-God Swamp Thing Vs. Doom with = Doom
-World's Funnest Mxy Vs. 616 Mad Jim Jaspers, The Fury, and Jamie Braddock = Mxy
-Batgod Vs. Squirrel Girl = Both Companies implode
-Someone with great brain capacity with the Miracle Machine Vs. Galactus with the Ultimate Nullifier = MM
-Hourman with the Worlogog Vs. Thanos with the Infinity Gauntlet = Thanos
-Cosmic Armor Superman Vs 616 Eternity, Infinity and Oblivion = CA superman
-Nekron Vs. Mistress Death of 616 = dont no
-The Ultimator Vs. The Nemesis = dont much bout nemesis
-The Monitor(opposite of the AM) and Nix Uotan Vs. Scathan the Celestial = Monitors stomp
-The Spectre(at most powerful seen) Vs. The Alien Entity = Dont no
-The Endless Vs The Infinites(all 3) = EndlessCIS, PIS and Jobbing are all off of course.
Fight to the death/nullification for all.
Originally posted by JakeTheBank
Most people use that scene of Thanos saying something along the lines of "My dopplegangers/clones can fool those with cosmic awareness" as definite proof that it wasn't the real Thanos. I don't see why it's such a big deal. Everyone jobs to Squirrel Girl.
nobody jobs to her, all her victories are legit
Re: Most Powreful of DC Vs. Most Powerful of Marvel
-Krona form the JLA/Avengers cross-over Vs. The Living Tribuna- LT
-Elaine at the height of her powers Vs. The omnipotent Beyonder- Beyonder
-The Anti-Monitor Vs. Abraxas- Split
-Mandrakk Vs. HoM Scarlet Witch- SW
-Michael and Lucy Vs. Pre-Ret Molecule Man- Team
-God Swamp Thing Vs. Doom with THOTI- Doom
-World's Funnest Mxy Vs. 616 Mad Jim Jaspers, The Fury, and Jamie Braddock- Team
-Batgod Vs. Squirrel Girl- Bat-Kick FTW
-Someone with great brain capacity with the Miracle Machine Vs. Galactus with the Ultimate Nullifier- Galactus
-Hourman with the Worlogog Vs. Thanos with the Infinity Gauntlet- Thanos
-Cosmic Armor Superman Vs 616 Eternity, Infinity and Oblivion- Superman
-Nekron Vs. Mistress Death of 616- Mistress Death
-The Ultimator Vs. The Nemesis- Infinity Being
-The Monitor(opposite of the AM) and Nix Uotan Vs. Scathan the Celestial- Scathan
-The Spectre(at most powerful seen) Vs. The Alien Entity- Alien Entity
-The Endless Vs The Infinites(all 3)- The Endless
Re: Most Powreful of DC Vs. Most Powerful of Marvel
Originally posted by galactusischere
-Krona form the JLA/Avengers cross-over Vs. The Living Tribunal
-Elaine at the height of her powers Vs. The omnipotent Beyonder
-The Anti-Monitor Vs. Abraxas
-Mandrakk Vs. HoM Scarlet Witch
-Michael and Lucy Vs. Pre-Ret Molecule Man
-God Swamp Thing Vs. Doom with THOTI
-World's Funnest Mxy Vs. 616 Mad Jim Jaspers, The Fury, and Jamie Braddock
-Batgod Vs. Squirrel Girl
-Someone with great brain capacity with the Miracle Machine Vs. Galactus with the Ultimate Nullifier
-Hourman with the Worlogog Vs. Thanos with the Infinity Gauntlet
-Cosmic Armor Superman Vs 616 Eternity, Infinity and Oblivion
-Nekron Vs. Mistress Death of 616
-The Ultimator Vs. The Nemesis
-The Monitor(opposite of the AM) and Nix Uotan Vs. Scathan the Celestial
-The Spectre(at most powerful seen) Vs. The Alien Entity
-The Endless Vs The Infinites(all 3)CIS, PIS and Jobbing are all off of course.
Fight to the death/nullification for all.
LT
Stalemate
Anti-Monitor
Madrakk
mich and Lucy
Stalemate
Mxy
Batgod
Galactus
Stalemate
Stalemate
CA Superman
Nekron
Nemesis
Monitors
AE
Endless
Krona form the JLA/Avengers cross-over Vs. The Living Tribunal - Living Tribunal
Elaine at the height of her powers Vs. The omnipotent Beyonder - Beyonder
The Anti-Monitor Vs. Abraxas - Anti-Monitor
Mandrakk Vs. HoM Scarlet Witch - Scarlett Witch
Michael and Lucy Vs. Pre-Ret Molecule Man - Pre-R Molecule Man
God Swamp Thing Vs. Doom with THOTI - THOTI
World's Funnest Mxy Vs. 616 Mad Jim Jaspers, The Fury, and Jamie Braddock - stalemate
Batgod Vs. Squirrel Girl - Batgod
Someone with great brain capacity with the Miracle Machine Vs. Galactus with the Ultimate Nullifier - UN
Hourman with the Worlogog Vs. Thanos with the Infinity Gauntlet - IG
Cosmic Armor Superman Vs 616 Eternity, Infinity and Oblivion - everyone on Marvel Team
Nekron Vs. Mistress Death of 616 - Nekron
The Ultimator Vs. The Nemesis - Ultimator
The Monitor(opposite of the AM) and Nix Uotan Vs. Scathan the Celestial - Scathan
The Spectre(at most powerful seen) Vs. The Alien Entity - The Alien Entity
The Endless Vs The Infinites(all 3) - Endless
Krona form the JLA/Avengers cross-over Vs. The Living Tribunal - LT
Elaine at the height of her powers Vs. The omnipotent Beyonder - Beyonder
The Anti-Monitor Vs. Abraxas - Abraxas
Mandrakk Vs. HoM Scarlet Witch - Scarlet Witch
Michael and Lucy Vs. Pre-Ret Molecule Man - Molecule Man
God Swamp Thing Vs. Doom with THOTI - God Swamp Thing (Doom can`t handle HOTI)
World's Funnest Mxy Vs. 616 Mad Jim Jaspers, The Fury, and Jamie Braddock - Mxy (unless the Fury proves effective against him)
Batgod Vs. Squirrel Girl - Squirrel Girl, easy
Someone with great brain capacity with the Miracle Machine Vs. Galactus with the Ultimate Nullifier - UN
Hourman with the Worlogog Vs. Thanos with the Infinity Gauntlet - IG
Cosmic Armor Superman Vs 616 Eternity, Infinity and Oblivion - CA Supes
Nekron Vs. Mistress Death of 616 - Death
The Ultimator Vs. The Nemesis - IDK
The Monitor(opposite of the AM) and Nix Uotan Vs. Scathan the Celestial - Scathan
The Spectre(at most powerful seen) Vs. The Alien Entity - The Alien Entity
The Endless Vs The Infinites(all 3) - IDK
Re: Most Powreful of DC Vs. Most Powerful of Marvel
-Krona form the JLA/Avengers cross-over Vs. The Living Tribunal = LT
-Elaine at the height of her powers Vs. The omnipotent Beyonder = Stalemate
-The Anti-Monitor Vs. Abraxas = CoIE AM
-Mandrakk Vs. HoM Scarlet Witch = Mandrakk v1
-Michael and Lucy Vs. Pre-Ret Molecule Man = The archangels
-God Swamp Thing Vs. Doom with THOTI = Doom
-World's Funnest Mxy Vs. 616 Mad Jim Jaspers, The Fury, and Jamie Braddock = WF Mxy
-Batgod Vs. Squirrel Girl = The goddam Batman!
-Someone with great brain capacity with the Miracle Machine Vs. Galactus with the Ultimate Nullifier = Miracle Machine's superior
-Hourman with the Worlogog Vs. Thanos with the Infinity Gauntlet = Eternal stalemate
-Cosmic Armor Superman Vs 616 Eternity, Infinity and Oblivion = CA Superman
-Nekron Vs. Mistress Death of 616 = Stalemate?
-The Ultimator Vs. The Nemesis = The Infinity Being
-The Monitor(opposite of the AM) and Nix Uotan Vs. Scathan the Celestial = Monitors
-The Spectre(at most powerful seen) Vs. The Alien Entity = Stalemate (featwise, I would give it to AE)
-The Endless Vs The Infinites(all 3) = The Endless
BTW, these guys are nowhere near being the most powerful in their respective companies, except for Elaine and Beyonder who are included here.
Most powerful for DC is Primal Monitor and The Presence.
For Marvel, PR Beyonder and TOAA.