  Several research groups have reported on the observation of superconductivity
in bilayer graphene structures where single atomic layers of graphene are
stacked and then twisted at angles $\theta$ forming Moir\'e superlattices. The
characterization of the superconducting state in these 2D materials is an
ongoing task. Here we investigate the pairing symmetry of bilayer graphene
Moir\'e superlattices twisted at $\theta$ = 1.05{\deg}, 1.10{\deg} and
1.16{\deg} for carrier doping states varied in the range of n=0.5-1.5 10^(12)
cm^(-2) (where superconductivity can be realized) by analyzing the temperature
dependence of the upper critical field Bc2(T) and the self-field critical
current Jc(sf,T) within currently available models for single- and two-band s-,
d-, p- and d+id-wave gap symmetries. Extracted superconducting parameters show
that only s-wave and a specific kind of p-wave symmetries are likely to be
dominant in bilayer graphene Moir\'e superlattices. More experimental data is
required to distinguish between the s- and remaining p-wave symmetries as well
as the suspected two-band superconductivity in these 2D superlattices.
