The only way Rebellion makes sense given Madoka's canonical abilities is that Madoka is engaging in a
Memory Gambit.
Madoka knows everything the Incubators plan to do before
they do. What's more, she has the ability to erase their memories and their plans
retroactively. She has omniversal omnipresence, meaning that not only can she not be blocked in any form whatsoever, not only does she exist everywhere simultaneously, on both sides of every barrier, but she is also in fictional universes and can alter fiction, dreams and imagination. Her strength and power is
literally infinite, so she can lift, crush or break anything she wants and her speed is not only infinite, she can time travel as well. She is timeless, so even if you could harm or trap her in any way, which you can't as she's omnipresent and incorporeal, the fact that there was a time
in the past where she was
not harmed or trapped means that harming or trapping her fails to take effect. even if you were somehow able to freeze the entire omniverse simultaneously, her past self could hop over that instant, skipping it entirely, and continue with the future, rendering your efforts futile. She has the ability to erase witches even in fiction and minds, meaning that she can remove the knowledge of witches from the Incubators' brains whenever she wants or even
before she decided to. She can change history so that Kyuubey didn't hear a word of his conversation with Homura or even remove Homura's ability to say "witches" or to even
describe witches (or even erase Homura's memories) and again, she can do this
retroactively. In Madoa's world, it's completely impossible to say, type or
think the word "witch" or to describe or imagine them
in any way without express permission from Madoka who knows every possible and
impossible consequence of doing so. Madoka knows everything that will happen and even everything that
is impossible to happen and can
control all of it. Madoka is has access to everything she will ever know and will ever be able to do and has had full access to all of that since the beginning of time. She is perfectly capable of interacting with every version of herself from the past, present and future from the start of time until eternity beyond. She knew all the events of Rebellion and every possible and
impossible variation of them and has known all of that since the dawn of time. Madoka knows every plan the Incubators will ever think of and every plan they
won't think of and how successful they will be and can instantly change history so that they never made the plan in the first place. Madoka knows knows every thought that anyone will ever have and has dealt with everything that has ever been
or ever will be imagined. She is completely impossible to out-think, surprise, evade, harm or capture in any way, whatsoever.
So, no. The Incubators' plans have always been and will always be impossible.
Read more:
http://tvtropes.org/pmwiki/posts.php?discussion=12943821940A52797100&page=2115#ixzz3cAx1roUu
Madoka was explicitly retgone as she needed to have always existed and you can't come into existence if you already exist. Madoka actively demonstrated
Time Travel and infinite speed in order to collect every witch. She explicitly interacted with her future self where she killed and absorbed her future, witch!self. She explicitly tells Homura that she is everywhere, in every Universe and in "
impossible Universes" (and therefore has the ability to operator in fiction and minds). the wording of her wish lets her erase "every witch" and if she exists in impossible Universes like people's imaginations, she would therefore be able to erase the witches in there too. Kyuubey explicitly says that Madoka is powerful enough to create and destroy Universes, before being corrected by Madoka herself that no, that's a vast underestimate of her powers. Madoka explicitly appears in multiple places simultaneously and claims to be "everywhere, with everyone". The paradox of destroying her future self and therefore becoming stronger than her future self an infinite number of times rendered her timeless and with infinite power. Kyuubey explicitly states that a magical girl's power is equal to the despair they are destined to feel and Madoka experienced an infinite amount of despair from witching out and absorbing the despair of herself an infinite number of times (never mind that of every magical girl that will ever and
won't ever exist). He also says that it's determined by her influence and she's an omniversal concept, therefore, at maximum influence. She explicitly tells Sayaka that it was within her power to alter reality so that Sayaka never made her wish, but chose not to do so.
EDIT: Madoka was explicitly
not trapped in Rebellion. She explicitly sent in a
piece of herself while the rest continued her own thing. When the barrier fell down,
anther piece went down and Homura only tore off
that piece and nothing else, which was confirmed by Homura
herself.
Read more:
http://tvtropes.org/pmwiki/posts.php?discussion=12943821940A52797100&page=2116#ixzz3cAxGh6HU
Madoka's wish allows her to retroactively erase
every witch. She says that she exists in every Universe, in every
possible Universe and even in
impossible Universes, which indicates that she exists in
imagined Universes and can therefore retroactively erase witches from people's imaginations.
Read more:
http://tvtropes.org/pmwiki/posts.php?discussion=12943821940A52797100&page=2116#ixzz3cAxSp2IJ
Everything I said she can do comes from that wish. Imagine a witch? That's a witch. She wished to erase
all witches. Your imaginary witch is one of "all the witches" and she can erase it, because that is what she wished.
Read more:
http://tvtropes.org/pmwiki/posts.php?discussion=12943821940A52797100&page=2116#ixzz3cAxYKpNT
Madoka claims to be everywhere, with everyone, all the time. I believe her.She's hope, remember? As long as there's a place where there is enough hope for someone not to be a witch, she's there.
Read more:
http://tvtropes.org/pmwiki/posts.php?discussion=12943821940A52797100&page=2116#ixzz3cAxauCNv
Madoka normally
can see her own future as she can see, fight, destroy and absorb her future self.
EDIT: Kyuubey even said to Madoka upon hearing the wish, "Do you truly wish to become God!?"
Madoka responded, "I don't care what I become" ie. "If that's what it takes"
Read more:
http://tvtropes.org/pmwiki/posts.php?discussion=12943821940A52797100&page=2116#ixzz3cAxdyqd2
She confirms that she exists
both in Universes that
may come into existence (and
already exists there, before they come into existence, and exists there even if they
don't come into existence)
and Universes that are "impossible to come into existence". She lists them separately, so you cannot confuse the two and to confirm that she exists in all those variations.
Read more:
http://tvtropes.org/pmwiki/posts.php?discussion=12943821940A52797100&page=2116#ixzz3cAxklVG3